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tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 tl43xx precision programmable reference 1 features 3 description the tl431 and tl432 devices are three-terminal 1 ? reference voltage tolerance at 25 c adjustable shunt regulators, with specified thermal ? 0.5% (b grade) stability over applicable automotive, commercial, and ? 1% (a grade) military temperature ranges. the output voltage can be set to any value between v ref (approximately ? 2% (standard grade) 2.5 v) and 36 v, with two external resistors. these ? adjustable output voltage: v ref to 36 v devices have a typical output impedance of 0.2 . ? operation from ? 40 c to 125 c active output circuitry provides a very sharp turn-on characteristic, making these devices excellent ? typical temperature drift (tl431b) replacements for zener diodes in many applications, ? 6 mv (c temp) such as onboard regulation, adjustable power ? 14 mv (i temp, q temp) supplies, and switching power supplies. the tl432 ? low output noise device has exactly the same functionality and electrical specifications as the tl431 device, but has ? 0.2- typical output impedance different pinouts for the dbv, dbz, and pk packages. ? sink-current capability: 1 ma to 100 ma both the tl431 and tl432 devices are offered in ? three grades, with initial tolerances (at 25 c) of 0.5%, 2 applications 1%, and 2%, for the b, a, and standard grade, ? adjustable voltage and current referencing respectively. in addition, low output drift versus temperature ensures good stability over the entire ? secondary side regulation in flyback smpss temperature range. ? zener replacement the tl43xxc devices are characterized for operation ? voltage monitoring from 0 c to 70 c, the tl43xxi devices are ? comparator with integrated reference characterized for operation from ? 40 c to 85 c, and the tl43xxq devices are characterized for operation from ? 40 c to 125 c. device information (1) part number package (pin) body size (nom) sot-23-3 (3) 2.90 mm x 1.30 mm sot-23-5 (5) 2.90 mm x 1.60 mm tl43xx soic (8) 4.90 mm x 3.90 mm pdip (8) 9.50 mm x 6.35 mm sop (8) 6.20 mm x 5.30 mm (1) for all available packages, see the orderable addendum at the end of the data sheet. 4 simplified schematic 1 an important notice at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. production data. productfolder v ref input v ka i ka support &community tools & software technical documents sample &buy
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com table of contents 1 features .................................................................. 1 8 parameter measurement information ................ 18 2 applications ........................................................... 1 9 detailed description ............................................ 19 9.1 overview ................................................................. 19 3 description ............................................................. 1 9.2 functional block diagram ....................................... 19 4 simplified schematic ............................................. 1 9.3 feature description ................................................. 20 5 revision history ..................................................... 2 9.4 device functional modes ........................................ 20 6 pin configuration and functions ......................... 3 10 applications and implementation ...................... 21 7 specifications ......................................................... 4 10.1 application information .......................................... 21 7.1 absolute maximum ratings ...................................... 4 10.2 typical applications .............................................. 21 7.2 esd ratings .............................................................. 4 10.3 system examples ................................................. 26 7.3 thermal information .................................................. 4 11 power supply recommendations ..................... 29 7.4 recommended operating conditions ....................... 4 12 layout ................................................................... 29 7.5 electrical characteristics, tl431c, tl432c ............. 5 12.1 layout guidelines ................................................. 29 7.6 electrical characteristics, tl431i, tl432i ................ 6 12.2 layout example .................................................... 29 7.7 electrical characteristics, tl431q, tl432q ............. 7 13 device and documentation support ................. 30 7.8 electrical characteristics, tl431ac, tl432ac ........ 8 13.1 related links ........................................................ 30 7.9 electrical characteristics, tl431ai, tl432ai ........... 9 13.2 trademarks ........................................................... 30 7.10 electrical characteristics, tl431aq, tl432aq .... 10 13.3 electrostatic discharge caution ............................ 30 7.11 electrical characteristics, tl431bc, tl432bc .... 11 13.4 glossary ................................................................ 30 7.12 electrical characteristics, tl431bi, tl432bi ....... 12 7.13 electrical characteristics, tl431bq, tl432bq .... 13 14 mechanical, packaging, and orderable information ........................................................... 30 7.14 typical characteristics .......................................... 14 5 revision history changes from revision n (january 2014) to revision o page ? added applications , device information table, pin functions table, esd ratings table, thermal information table, , feature description section, device functional modes , application and implementation section, power supply recommendations section, layout section, device and documentation support section, and mechanical, packaging, and orderable information section. ..................................................................................................................... 1 ? added applications. ................................................................................................................................................................ 1 ? moved typical characteristics into specifications section. ................................................................................................. 14 changes from revision m (july 2012) to revision n page ? updated document formatting ................................................................................................................................................ 1 ? removed ordering information table. .................................................................................................................................... 3 ? added application note links. ............................................................................................................................................... 21 changes from revision k (june 2010) to revision l page ? deleted t a values under test conditions for v i(dev) and i i(dev) parameters in the electrical characteristics table. .. 5 2 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 6 pin configuration and functions pin functions pin tlv431x tlv432x type description name p, ps dbz dbv pk d lp ktp dck dbz dbv pk pw cathode 1 3 3 1 1 1 1 1 2 4 1 i/o shunt current/voltage input ref 2 4 1 8 8 3 3 3 1 5 3 i threshold relative to common anode 2, 3, anode 3 5 2 6 2 2 6 3 2 2 o common pin, normally connected to ground 6, 7 copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 3 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b cathode anode ref tl431 . . . ktp (powerflex /to-252) package (top view) anode tl431a, tl431b . . . dck (sc-70) package (top view) 12 3 65 4 cathode nc ref anodenc nc nc ? no internal connection tl431, tl431a, tl431b . . . lp (to-92/to-226) package (top view) cathode anode ref 12 3 4 87 6 5 cathode anodeanode nc refanode anode nc tl431, tl431a, tl431b . . . d (soic) package (top view) 12 3 4 87 6 5 cathode ncnc nc refnc anode nc tl431, tl431a, tl431b . . . p (pdip), ps (sop), or pw (tssop) package (top view) nc ? no internal connection tl431, tl431a, tl431b . . . dbv (sot-23-5) package (top view) 12 3 54 nc ? cathode anoderef tl431, tl431a, tl431b . . . pk (sot-89) package (top view) ref anode cathode ? pin 2 is attached to substrate and must be connected to anode or left open. nc ? no internal connection tl432, tl432a, tl432b . . . dbv (sot-23-5) package (top view) 12 3 54 nc anode nc ref cathode nc ? no internal connection tl431, tl431a, tl431b . . . dbz (sot-23-3) package (top view) tl432, tl432a, tl432b . . . dbz (sot-23-3) package (top view) nc ? no internal connection 12 3 ref cathode anode 12 3 cathode ref anode anode tl432, tl432a, tl432b . . . pk (sot-89) package (top view) ref anode cathode anode
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7 specifications 7.1 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) (1) min max unit v ka cathode voltage (2) 37 v i ka continuous cathode current range ? 100 150 ma i i(ref) reference input current range ? 0.05 10 ma t j operating virtual junction temperature 150 c t stg storage temperature range ? 65 150 c (1) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) all voltage values are with respect to anode, unless otherwise noted. 7.2 esd ratings value unit human-body model (hbm), per ansi/esda/jedec js-001 (1) 2000 v (esd) electrostatic discharge v charged-device model (cdm), per jedec specification jesd22- 1000 c101 (2) (1) jedec document jep155 states that 500-v hbm allows safe manufacturing with a standard esd control process. manufacturing with less than 500-v hbm is possible with the necessary precautions. (2) jedec document jep157 states that 250-v cdm allows safe manufacturing with a standard esd control process. manufacturing with less than 250-v cdm is possible with the necessary precautions. 7.3 thermal information tl43xx thermal metric (1) p pw d ps dck dbv dbz lp pk unit 8 pins 6 pins 5 pins 3 pins r ja junction-to-ambient thermal 85 149 97 95 259 206 206 140 52 resistance c/w r jc(top) junction-to-case (top) thermal 57 65 39 46 87 131 76 55 9 resistance (1) for more information about traditional and new thermal metrics, see the ic package thermal metrics application report ( spra953 ). 7.4 recommended operating conditions see (1) min max unit v ka cathode voltage v ref 36 v i ka cathode current 1 100 ma tl43xxc 0 70 t a operating free-air temperature tl43xxi ? 40 85 c tl43xxq ? 40 125 (1) maximum power dissipation is a function of t j(max) , ja , and t a . the maximum allowable power dissipation at any allowable ambient temperature is p d = (t j(max) ? t a )/ ja . operating at the absolute maximum t j of 150 c can affect reliability. 4 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 7.5 electrical characteristics, tl431c, tl432c over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431c, tl432c parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2440 2495 2550 mv sot23-3 and tl432 deviation of reference input 6 16 v ka = v ref , devices v i(dev) voltage over full temperature see figure 20 mv i ka = 10 ma, range (1) all other devices 4 25 ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.4 1.2 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 1 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 1 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 5 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7.6 electrical characteristics, tl431i, tl432i over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431i, tl432i parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2440 2495 2550 mv sot23-3 and tl432 deviation of reference input 14 34 v ka = v ref , devices v i(dev) voltage over full temperature see figure 20 mv i ka = 10 ma range (1) all other devices 5 50 ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 1 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 1 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. 6 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 7.7 electrical characteristics, tl431q, tl432q over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431q, tl432q parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2440 2495 2550 mv deviation of reference input v i(dev) voltage over full temperature see figure 20 v ka = v ref , i ka = 10 ma 14 34 mv range (1) ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 1 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 1 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 7 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7.8 electrical characteristics, tl431ac, tl432ac over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431ac, tl432ac parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2470 2495 2520 mv sot23-3 and tl432 deviation of reference input 6 16 v ka = v ref , devices v i(dev) voltage over full temperature see figure 20 mv i ka = 10 ma range (1) all other devices 4 25 ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 1.2 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.6 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. 8 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 7.9 electrical characteristics, tl431ai, tl432ai over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431ai, tl432ai parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2470 2495 2520 mv sot23-3 and tl432 deviation of reference input 14 34 v ka = v ref , devices v i(dev) voltage over full temperature see figure 20 mv i ka = 10 ma range (1) all other devices 5 50 ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.7 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 9 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7.10 electrical characteristics, tl431aq, tl432aq over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431aq, tl432aq parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2470 2495 2520 mv deviation of reference input v i(dev) voltage over full temperature see figure 20 v ka = v ref , i ka = 10 ma 14 34 mv range (1) ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.7 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. 10 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 7.11 electrical characteristics, tl431bc, tl432bc over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431bc, tl432bc parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2483 2495 2507 mv deviation of reference input v i(dev) voltage over full temperature see figure 20 v ka = v ref , i ka = 10 ma 6 16 mv range (1) ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 1.2 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.6 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 11 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7.12 electrical characteristics, tl431bi, tl432bi over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431bi, tl432bi parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2483 2495 2507 mv deviation of reference input v i(dev) voltage over full temperature see figure 20 v ka = v ref , i ka = 10 ma 14 34 mv range (1) ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.7 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. 12 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
(2) the dynamic impedance is defined as: when the device is operating with two external resistors (see figure 21 ), the total dynamic impedance of the circuit is given by: which is approximately equal to . tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 7.13 electrical characteristics, tl431bq, tl432bq over recommended operating conditions, t a = 25 c (unless otherwise noted) tl431bq, tl432bq parameter test circuit test conditions unit min typ max v ref reference voltage see figure 20 v ka = v ref , i ka = 10 ma 2483 2495 2507 mv deviation of reference input v i(dev) voltage over full temperature see figure 20 v ka = v ref , i ka = 10 ma 14 34 mv range (1) ratio of change in reference v ka = 10 v ? v ref ? 1.4 ? 2.7 v ref / voltage to the change in see figure 21 i ka = 10 ma mv/v v ka v ka = 36 v ? 10 v ? 1 ? 2 cathode voltage i ref reference input current see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 2 4 a deviation of reference input i i(dev) current over full temperature see figure 21 i ka = 10 ma, r1 = 10 k ? , r2 = 0.8 2.5 a range (1) minimum cathode current for i min see figure 20 v ka = v ref 0.4 0.7 ma regulation i off off-state cathode current see figure 22 v ka = 36 v, v ref = 0 0.1 0.5 a |z ka | dynamic impedance (2) see figure 20 v ka = v ref , f 1 khz, i ka = 1 ma to 100 ma 0.2 0.5 ? (1) the deviation parameters v ref(dev) and i ref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. the average full-range temperature coefficient of the reference input voltage vref is defined as: vref is positive or negative, depending on whether minimum v ref or maximum v ref , respectively, occurs at the lower temperature. copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 13 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ? i ka ? v ka |z | = ka ? i ? v |z'| = r2 r1 |z | ka ( 1 + (
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 7.14 typical characteristics data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices. figure 2. reference current vs free-air temperature figure 1. reference voltage vs free-air temperature figure 3. cathode current vs cathode voltage figure 4. cathode current vs cathode voltage figure 5. off-state cathode current figure 6. ratio of delta reference voltage to delta cathode voltage vs free-air temperature vs free-air temperature 14 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b 400200 0 ?200 ?1 0 1 600 800 2 3 v ka = v ref t a = 25c v ka ? cathode voltage ? v i min ? cathode current ? i ka a 25 0 ?50?75 ?100 125 ?25 ?2 ?1 0 1 7550 100 150 2 3 v ka ? cathode voltage ? v v ka = v ref t a = 25c ? cathode current ? ma i ka 1.5 1 0.5 0 ?75 ?25 0 50 ? off-state cathode current ? 2 2.5 100 125 ?50 25 75 i off a t a ? free-air temperature ? c v ka = 36 v v ref = 0 16 ?1.15?1.25 ?1.35 ?1.45 ?1.05 ? 0.95 ? 0.85 t a ? free-air temperature ? c ?75 ?25 0 50 100 125 ?50 25 75 v ka = 3 v to 36 v ? mv/v ?v ref ?v ka / 16 32 1 0 ?75 ?25 0 50 4 5 100 125 ?50 25 75 t a ? free-air temperature ? c r1 = 10 k r2 = i ka = 10 ma ? reference current ? ref i a 25002480 2420 2400 ?75 ?50 ?25 0 25 50 75 2540 2580 2600 100 125 2460 25602520 2440 t a ? free-air temperature ? c v ref = 2495 mv v ref = 2440 mv v ka = v ref i ka = 10 ma v ref = 2550 mv ? reference voltage ? mv v ref
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 typical characteristics (continued) figure 8. equivalent input noise voltage over a 10-s period figure 7. equivalent input noise voltage vs frequency figure 9. test circuit for equivalent input noise voltage over a 10-s period figure 10. small-signal voltage amplification vs frequency figure 11. test circuit for voltage amplification copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 15 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ?1?2 ?4 ?5 ?6 3 ?3 0 1 2 3 4 5 6 10 2 4 7 8 9 10 5 6 t ? time ? s f = 0.1 to 10 hzi ka = 10 ma t a = 25c ? equivalent input noise v oltage ? v v n 19.1 v v cc tle2027 tle2027a v = 10 v/mv v ee 0.1 f 160 k 820 (dut) tl431 16 910 2000 f 1 k v ee v cc 1 f 16 k 16 k 1 f 33 k 33 k a v = 2 v/v 22 f 500 f to oscilloscope +? +? 180140 120 100 10 100 1 k 220 240 f ? frequency ? hz 260 10 k 100 k 200160 ? equivalent input noise v oltage ? nv/ hz v n i o = 10 ma t a = 25c 16 1 k 10 k 100 k 1 m 10 m 0 10 20 30 50 6040 f ? frequency ? hz i ka = 10 ma t a = 25c ? small-signal v oltage amplification ? db a v 9 f gnd output 232 8.25 k i ka 15 k +? i ka = 10 ma t a = 25c
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com typical characteristics (continued) figure 13. test circuit for reference impedance figure 12. reference impedance vs frequency figure 15. test circuit for pulse response figure 14. pulse response the areas under the curves represent conditions that may cause the device to oscillate. for curves b, c, and d, r2 and v+ are adjusted to establish the initial v ka and i ka conditions, with c l = 0. v batt and c l then are adjusted to determine the ranges of stability. figure 16. stability boundary conditions for all tl431 and tl431a devices figure 17. test circuits for stability boundary conditions (except for sot23-3, sc-70, and q-temp devices) 16 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b 220 50 gnd output pulse generator f = 100 khz 0.1 1 k 10 k 100 k 1 m 10 m 1 f ? frequency ? hz 10 100 i ka = 10 ma t a = 25c ? reference impedance ? ka |z | 1 k 50 gnd output i ka + ? 5040 10 0 0.001 0.01 0.1 1 70 90 100 10 30 8060 20 t a = 25c b stable stable a v ka = v ref b v ka = 5 v c v ka = 10 v d v ka = 15 v f c l ? load capacitance ? f a c d ? cathode current ? ma i ka 150 i ka r1 = 10 k r2 c l v batt i ka c l v batt 150 test circuit for curve a test circuit for curves b, c, and d +? +? 32 1 0 ?1 0 1 2 3 4 input and output v oltage ? v 4 5 6 5 6 7 input output t a = 25c t ? time ? s
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 typical characteristics (continued) the areas under the curves represent conditions that may cause the device to oscillate. for curves b, c, and d, r2 and v+ are adjusted to establish the initial v ka and i ka conditions, with c l = 0. v batt and c l then are adjusted to determine the ranges of stability. figure 19. test circuit for stability boundary conditions figure 18. stability boundary conditions for all tl431b, tl432, sot-23, sc-70, and q-temp devices copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 17 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b 150 i ka r1 = 10 k r2 c l v batt i ka c l v batt 150 test circuit for curve a test circuit for curves b, c, and d +? +? 5040 10 0 0.001 0.01 0.1 1 70 90 100 10 30 8060 20 stable a v ka = v ref b v ka = 5 v c v ka = 10 v d v ka = 15 v f c l ? load capacitance ? f a c d ? cathode current ? ma i ka b a t a = 25c stable b
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 8 parameter measurement information figure 20. test circuit for v ka = v ref figure 21. test circuit for v ka > v ref figure 22. test circuit for i off 18 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b v ref input v ka i ka i off v ka input i ref i ka v ka input v ref r1r2 ka ref ref r1 v = v 1 + + i r1 r2 ? ? ? ?
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 9 detailed description 9.1 overview this standard device has proven ubiquity and versatility across a wide range of applications, ranging from power to signal path. this is due to it's key components containing an accurate voltage reference & opamp, which are very fundamental analog building blocks. tl43xx is used in conjunction with it's key components to behave as a single voltage reference, error amplifier, voltage clamp or comparator with integrated reference. tl43xx can be operated and adjusted to cathode voltages from 2.5v to 36v, making this part optimum for a wide range of end equipments in industrial, auto, telecom & computing. in order for this device to behave as a shunt regulator or error amplifier, > 1ma (i min (max)) must be supplied in to the cathode pin. under this condition, feedback can be applied from the cathode and ref pins to create a replica of the internal reference voltage. various reference voltage options can be purchased with initial tolerances (at 25 c) of 0.5%, 1%, and 2%. these reference options are denoted by b (0.5%), a (1.0%) and blank (2.0%) after the tl431 or tl432. tl431 & tl432 are both functionaly, but have separate pinout options. the tl43xxc devices are characterized for operation from 0 c to 70 c, the tl43xxi devices are characterized for operation from ? 40 c to 85 c, and the tl43xxq devices are characterized for operation from ? 40 c to 125 c. 9.2 functional block diagram figure 23. equivalent schematic figure 24. detailed schematic copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 19 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b cathode ref anode +_ v ref anode ref cathode 2.4 k 7.2 k 3.28 k 20 pf 4 k 1 k 800 800 800 20 pf 150 10 k
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 9.3 feature description tl43xx consists of an internal reference and amplifier that outputs a sink current base on the difference between the reference pin and the virtual internal pin. the sink current is produced by the internal darlington pair, shown in the above schematic ( figure 24 ). a darlington pair is used in order for this device to be able to sink a maximum current of 100 ma. when operated with enough voltage headroom ( 2.5 v) and cathode current (i ka ), tl431 forces the reference pin to 2.5 v. however, the reference pin can not be left floating, as it needs i ref 4 a (please see electrical characteristics, tl431c, tl432c ). this is because the reference pin is driven into an npn, which needs base current in order operate properly. when feedback is applied from the cathode and reference pins, tl43xx behaves as a zener diode, regulating to a constant voltage dependent on current being supplied into the cathode. this is due to the internal amplifier and reference entering the proper operating regions. the same amount of current needed in the above feedback situation must be applied to this device in open loop, servo or error amplifying implementations in order for it to be in the proper linear region giving tl43xx enough gain. unlike many linear regulators, tl43xx is internally compensated to be stable without an output capacitor between the cathode and anode. however, if it is desired to use an output capacitor figure 24 can be used as a guide to assist in choosing the correct capacitor to maintain stability. 9.4 device functional modes 9.4.1 open loop (comparator) when the cathode/output voltage or current of tl43xx is not being fed back to the reference/input pin in any form, this device is operating in open loop. with proper cathode current (ika) applied to this device, tl43xx will have the characteristics shown in figure 23 . with such high gain in this configuration, tl43xx is typically used as a comparator. with the reference integrated makes tl43xx the prefered choice when users are trying to monitor a certain level of a single signal. 9.4.2 closed loop when the cathode/output voltage or current of tl43xx is being fed back to the reference/input pin in any form, this device is operating in closed loop. the majority of applications involving tl43xx use it in this manner to regulate a fixed voltage or current. the feedback enables this device to behave as an error amplifier, computing a portion of the output voltage and adjusting it to maintain the desired regulation. this is done by relating the output voltage back to the reference pin in a manner to make it equal to the internal reference voltage, which can be accomplished via resistive or direct feedback. 20 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 10 applications and implementation note information in the following applications sections is not part of the ti component specification, and ti does not warrant its accuracy or completeness. ti ? s customers are responsible for determining suitability of components for their purposes. customers should validate and test their design implementation to confirm system functionality. 10.1 application information as this device has many applications and setups, there are many situations that this datasheet can not characterize in detail. the linked application notes will help the designer make the best choices when using this part. application note slva482 will provide a deeper understanding of this devices stability characteristics and aid the user in making the right choices when choosing a load capacitor. application note slva445 assists designers in setting the shunt voltage to achieve optimum accuracy for this device. 10.2 typical applications 10.2.1 comparator with integrated reference figure 25. comparator application schematic copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 21 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b + 2.5v cathode anode ref v in vout vsup rsup r1 r2 v l r in
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com typical applications (continued) 10.2.1.1 design requirements for this design example, use the parameters listed in table 1 as the input parameters. table 1. design parameters design parameter example value input voltage range 0 v to 5 v input resistance 10 k supply voltage 24 v cathode current (ik) 5 ma output voltage level ~2 v ? v sup logic input thresholds vih/vil v l 10.2.1.2 detailed design procedure when using tl431 as a comparator with reference, determine the following: ? input voltage range ? reference voltage accuracy ? output logic input high and low level thresholds ? current source resistance 10.2.1.2.1 basic operation in the configuration shown in figure 25 tl431 will behave as a comparator, comparing the v ref pin voltage to the internal virtual reference voltage. when provided a proper cathode current (i k ), tl43xx will have enough open loop gain to provide a quick response. this can be seen in figure 26 , where the r sup =10 k (i ka =500 a) situation responds much slower than r sup =1 k (i ka =5 ma). with the tl43xx's max operating current (i min ) being 1 ma, operation below that could result in low gain, leading to a slow response. 10.2.1.2.1.1 overdrive slow or inaccurate responses can also occur when the reference pin is not provided enough overdrive voltage. this is the amount of voltage that is higher than the internal virtual reference. the internal virtual reference voltage will be within the range of 2.5 v (0.5%, 1.0% or 1.5%) depending on which version is being used. the more overdrive voltage provided, the faster the tl431 will respond. for applications where tl431 is being used as a comparator, it is best to set the trip point to greater than the positive expected error (i.e. +1.0% for the a version). for fast response, setting the trip point to > 10% of the internal v ref should suffice. for minimal voltage drop or difference from vin to the ref pin, it is recommended to use an input resistor < 10k to provide iref. 22 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 10.2.1.2.2 output voltage and logic input level in order for tl431 to properly be used as a comparator, the logic output must be readable by the receiving logic device. this is accomplished by knowing the input high and low level threshold voltage levels, typically denoted by v ih & v il . as seen in figure 26 , tl431's output low level voltage in open-loop/comparator mode is ~2 v, which is typically sufficient for 5v supplied logic. however, would not work for 3.3 v & 1.8 v supplied logic. in order to accomodate this a resistive divider can be tied to the output to attenuate the output voltage to a voltage legible to the receiving low voltage logic device. tl431's output high voltage is equal to v sup due to tl431 being open-collector. if v sup is much higher than the receiving logic's maximum input voltage tolerance, the output must be attenuated to accomadate the outgoing logic's reliability. when using a resistive divider on the output, be sure to make the sum of the resistive divider (r1 & r2 in figure 25 ) is much greater than r sup in order to not interfere with tl431's ability to pull close to v sup when turning off. 10.2.1.2.2.1 input resistance tl431 requires an input resistance in this application in order to source the reference current (i ref ) needed from this device to be in the proper operating regions while turing on. the actual voltage seen at the ref pin will be v ref =v in -i ref *r in . since i ref can be as high as 4 a it is recommended to use a resistance small enough that will mitigate the error that i ref creates from v in . 10.2.1.3 application curves figure 26. output response with various cathode currents copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 23 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b time (s) voltage (v) -0.001 -0.0006 -0.0002 0.0002 0.0006 0.001 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 d001 vin vka(rsup=10k : ) vka(rsup=1k : )
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 10.2.2 shunt regulator/reference figure 27. shunt regulator schematic 10.2.2.1 design requirements for this design example, use the parameters listed in table 1 as the input parameters. table 2. design parameters design parameter example value reference initial accuracy 1.0 % supply voltage 24 v cathode current (ik) 5 ma output voltage level 2.5 v - 36 v load capacitance 100 nf feedback resistor values and accuracy (r1 & r2) 10 k 10.2.2.2 detailed design procedure when using tl431 as a shunt regulator, determine the following: ? input voltage range ? temperature range ? total accuracy ? cathode current ? reference initial accuracy ? output capacitance 10.2.2.2.1 programming output/cathode voltage in order to program the cathode voltage to a regulated voltage a resistive bridge must be shunted between the cathode and anode pins with the mid point tied to the reference pin. this can be seen in figure 27 , with r1 & r2 being the resistive bridge. the cathode/output voltage in the shunt regulator configuration can be approximated by the equation shown in figure 27 . the cathode voltage can be more accuratel determined by taking in to account the cathode current: vo=(1+r1/r2)*v ref -i ref *r1 in order for this equation to be valid, tl43xx must be fully biased so that it has enough open loop gain to mitigate any gain error. this can be done by meeting the imin spec denoted in electrical characteristics, tl431c, tl432c . 24 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b ref cathode anode r2 v sup r sup r1 v o ( r1 v r ef 0.1% r2 0.1% tl431 = 1 + v ref ) c l
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 10.2.2.2.2 total accuracy when programming the output above unity gain (v ka =v ref ), tl43xx is susceptible to other errors that may effect the overall accuracy beyond v ref . these errors include: ? r1 and r2 accuracies ? v i(dev) - change in reference voltage over temperature ? v ref / v ka - change in reference voltage to the change in cathode voltage ? |z ka | - dynamic impedance, causing a change in cathode voltage with cathode current worst case cathode voltage can be determined taking all of the variables in to account. application note slva445 assists designers in setting the shunt voltage to achieve optimum accuracy for this device. 10.2.2.2.3 stability though tl43xx is stable with no capacitive load, the device that receives the shunt regulator's output voltage could present a capacitive load that is within the tl43xx region of stability, shown in figure 16 and figure 18 . also, designers may use capacitive loads to improve the transient response or for power supply decoupling. when using additional capacitance between cathode and anode, refer to figure 16 and figure 18 . also, application note slva482 will provide a deeper understanding of this devices stability characteristics and aid the user in making the right choices when choosing a load capacitor. 10.2.2.2.4 start-up time as shown in figure 28 , tl43xx has a fast response up to ~2 v and then slowly charges to it's programmed value. this is due to the compensation capacitance (shown in figure 24 ) the tl43xx has to meet it's stability criteria. despite the secondary delay, tl43xx still has a fast response suitable for many clamp applications. 10.2.2.3 application curves figure 28. tl43xx start-up response copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 25 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b time (s) voltage (v) -5e-6 -3e-6 -1e-6 1e-6 3e-6 5e-6 -6 -3 0 3 6 9 12 15 18 21 24 27 d001 vsup vka=vref r1=10k : & r2=10k : r1=38k : & r2=10k :
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 10.3 system examples a. r should provide cathode current 1 ma to the tl431 at minimum v (batt) . figure 29. precision high-current series regulator figure 30. output control of a three-terminal fixed regulator figure 31. high-current shunt regulator a. refer to the stability boundary conditions in figure 16 and figure 18 to determine allowable values for c. figure 32. crowbar circuit 26 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b v o tl431 v i(batt) ua7805 in out common r1 r2 v o 1 r1 r2 v ref minimum v o v ref 5 v = + = + ( ( r (see note a) v o tl431 v i(batt) 2n222 2n222 4.7 k r1 0.1% r2 0.1% 0.01 f 30 o ref r1 v = 1 + v r2 ? ? ? ? v o tl431 v i(batt) r1 r2 c (see note a) v o tl431 v i(batt) r1 r2 v o 1 r1 r2 v ref = + ( (
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 system examples (continued) figure 33. precision 5-v, 1.5-a regulator a. r b should provide cathode current 1 ma to the tl431. figure 34. efficient 5-v precision regulator figure 35. pwm converter with reference copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 27 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b v o 5 v tl431 v i(batt) 27.4 k 0.1% r b (see note a) 27.4 k 0.1% tl431 12 v v cc 5 v 6.8 k 10 k10 k 0.1% 10 k 0.1% x not used feedback tl598 + ? v o 5 v, 1.5 a tl431 v i(batt) lm317 in out adjust 243 0.1% 243 0.1% 8.2 k
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com system examples (continued) a. select r3 and r4 to provide the desired led intensity and cathode current 1 ma to the tl431 at the available v i(batt) . figure 36. voltage monitor figure 37. delay timer figure 38. precision current limiter 28 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b tl431 i o r cl 0.1% r1 v i(batt) i out v ref r cl i ka r1 v i ( batt ) i o h fe i ka + + = = tl431 650 2 k c on off r 12 v n ref 12 v delay = r c i 12 v C v ? ? ? ? ? tl431 v i(batt) r3 (see note a) r1a r4 (see note a) r2b r2a r1b low limit = 1 + r1b r2b v ref high limit = 1 + r1a r2a v ref led on when low limit < v i(batt) < high limit
tl431 , tl431a , tl431b tl432 , tl432a , tl432b www.ti.com slvs543o ? august 2004 ? revised january 2015 system examples (continued) figure 39. precision constant-current sink 11 power supply recommendations when using tl43xx as a linear regulator to supply a load, designers will typically use a bypass capacitor on the output/cathode pin. when doing this, be sure that the capacitance is within the stability criteria shown in figure 16 and figure 18 . in order to not exceed the maximum cathode current, be sure that the supply voltage is current limited. also, be sure to limit the current being driven into the ref pin, as not to exceed it's absolute maximum rating. for applications shunting high currents, pay attention to the cathode and anode trace lengths, adjusting the width of the traces to have the proper current density. 12 layout 12.1 layout guidelines bypass capacitors should be placed as close to the part as possible. current-carrying traces need to have widths appropriate for the amount of current they are carrying; in the case of the tl43xx, these currents will be low. 12.2 layout example figure 40. dbz layout example copyright ? 2004 ? 2015, texas instruments incorporated submit documentation feedback 29 product folder links: tl431 tl431a tl431b tl432 tl432a tl432b tl431 r s 0.1% i o v i(batt) i o v ref r s = tl432 - dbz (top view) ref 1 cathode 2 3 anode rsup rref vsup c l vin gnd gnd
tl431 , tl431a , tl431b tl432 , tl432a , tl432b slvs543o ? august 2004 ? revised january 2015 www.ti.com 13 device and documentation support 13.1 related links the table below lists quick access links. categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. table 3. related links technical tools & support & parts product folder sample & buy documents software community tl431 click here click here click here click here click here tl431a click here click here click here click here click here tl431b click here click here click here click here click here tl432 click here click here click here click here click here tl432a click here click here click here click here click here tl432b click here click here click here click here click here 13.2 trademarks all trademarks are the property of their respective owners. 13.3 electrostatic discharge caution this integrated circuit can be damaged by esd. texas instruments recommends that all integrated circuits be handled with appropriate precautions. failure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 13.4 glossary slyz022 ? ti glossary. this glossary lists and explains terms, acronyms and definitions. 14 mechanical, packaging, and orderable information the following pages include mechanical packaging and orderable information. this information is the most current data available for the designated devices. this data is subject to change without notice and revision of this document. for browser based versions of this data sheet, refer to the left hand navigation. 30 submit documentation feedback copyright ? 2004 ? 2015, texas instruments incorporated product folder links: tl431 tl431a tl431b tl432 tl432a tl432b
package option addendum www.ti.com 26-sep-2018 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431acd active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 431ac tl431acdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (tacg, tacs) tl431acdbvre4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tacg tl431acdbvrg4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tacg tl431acdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (tacg, tacu) tl431acdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tac3, tacs, tacu) tl431acdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tac3, tacs, tacu) tl431acdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tac3, tacs, tacu) tl431acdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tac3, tacs, tacu) tl431acdckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4s, t4u) tl431acdg4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 431ac tl431acdr active soic d 8 2500 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 431ac tl431acdre4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 431ac tl431acdrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 431ac tl431aclp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac tl431aclpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac tl431aclpm active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac
package option addendum www.ti.com 26-sep-2018 addendum-page 2 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431aclpme3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac tl431aclpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac tl431aclpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431ac tl431acp active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type 0 to 70 tl431acp tl431acpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 4a tl431acpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 4a tl431acpsr active so ps 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431a tl431acpw active tssop pw 8 150 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431a tl431acpwr active tssop pw 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431a tl431aid active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 431ai tl431aidbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (taig, tais) tl431aidbvre4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 taig tl431aidbvrg4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 taig tl431aidbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (taig, taiu) tl431aidbvtg4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 taig tl431aidbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (tai3, tais, taiu) tl431aidbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (tai3, tais, taiu) tl431aidbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (tai3, tais, taiu)
package option addendum www.ti.com 26-sep-2018 addendum-page 3 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431aidbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (tai3, tais, taiu) tl431aidckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t5u tl431aidckre4 active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t5u tl431aidckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t5u tl431aidcktg4 active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t5u tl431aidg4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 431ai tl431aidr active soic d 8 2500 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 431ai tl431aidrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 431ai tl431ailp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431ailpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431ailpm active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431ailpme3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431ailpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431ailpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431ai tl431aip active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type -40 to 85 tl431aip tl431aipe4 active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type -40 to 85 tl431aip tl431aipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 4b tl431aipkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 4b
package option addendum www.ti.com 26-sep-2018 addendum-page 4 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431aqdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taqg, taqu) tl431aqdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taqg, taqu) tl431aqdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taq3, taqs, taqu) tl431aqdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taq3, taqs, taqu) tl431aqdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taqs, taqu) tl431aqdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (taqs, taqu) tl431aqdckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t7u tl431aqdckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t7u tl431aqpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 4d tl431aqpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 4d tl431bcd active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bcdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t3gg, t3gu) tl431bcdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t3gg, t3gu) tl431bcdbvtg4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t3gg tl431bcdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3g3, t3gs, t3gu) tl431bcdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3g3, t3gs, t3gu) tl431bcdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3g3, t3gs, t3gu) tl431bcdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3g3, t3gs, t3gu)
package option addendum www.ti.com 26-sep-2018 addendum-page 5 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431bcdckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t2u tl431bcdckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t2u tl431bcde4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bcdr active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bcdrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bclp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 t431b tl431bclpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 t431b tl431bclpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 t431b tl431bcp active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type 0 to 70 tl431bcp tl431bcpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 4c tl431bcpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 4c tl431bcpsr active so ps 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bcpwr active tssop pw 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431b tl431bid active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 z431b tl431bidbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t3fg, t3fu) tl431bidbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t3fg, t3fu) tl431bidbvtg4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3fg tl431bidbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3f3, t3fs, t3fu)
package option addendum www.ti.com 26-sep-2018 addendum-page 6 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431bidbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3f3, t3fs, t3fu) tl431bidbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3f3, t3fs, t3fu) tl431bidbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3f3, t3fs, t3fu) tl431bidckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3u tl431bidckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3u tl431bidckte4 active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3u tl431bidcktg4 active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3u tl431bide4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 z431b tl431bidg4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 z431b tl431bidr active soic d 8 2500 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 z431b tl431bidre4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 z431b tl431bidrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 z431b tl431bilp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 z431b tl431bilpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 z431b tl431bilpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 z431b tl431bilpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 z431b tl431bip active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type -40 to 85 tl431bip tl431bipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 4i
package option addendum www.ti.com 26-sep-2018 addendum-page 7 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431bipkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 4i tl431bqd active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431bq tl431bqdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t3hu tl431bqdbvrg4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t3hu tl431bqdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t3hu tl431bqdbvte4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t3hu tl431bqdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3h3, t3hs, t3hu) tl431bqdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3h3, t3hs, t3hu) tl431bqdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3hs, t3hu) tl431bqdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3hs, t3hu) tl431bqdckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t8u tl431bqdckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t8u tl431bqdckte4 active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t8u tl431bqde4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431bq tl431bqdr active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431bq tl431bqdrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431bq tl431bqlp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 125 t431bq tl431bqlpm active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 125 t431bq
package option addendum www.ti.com 26-sep-2018 addendum-page 8 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431bqlpme3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 125 t431bq tl431bqlpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 125 t431bq tl431bqlpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 125 t431bq tl431bqpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 3h tl431bqpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 3h tl431bqpsr preview so ps 8 2000 tbd call ti call ti -40 to 125 tl431cd active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tl431c tl431cdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t3cg, t3cs) tl431cdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t3cg, t3cs) tl431cdbvtg4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t3cg tl431cdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3c3, t3cs, t3cu) tl431cdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3c3, t3cs, t3cu) tl431cdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t3cs, t3cu) tl431cdbztg4 active sot-23 dbz 3 250 tbd call ti call ti 0 to 70 (t3cs, t3cu) tl431cde4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tl431c tl431cdg4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tl431c tl431cdr active soic d 8 2500 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 tl431c tl431cdrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tl431c
package option addendum www.ti.com 26-sep-2018 addendum-page 9 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431clp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431clpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431clpm active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431clpme3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431clpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431clpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type 0 to 70 tl431c tl431cp active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type 0 to 70 tl431cp tl431cpe4 active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type 0 to 70 tl431cp tl431cpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 43 tl431cpke6 active sot-89 pk 3 1000 pb-free (rohs) cu snbi level-1-260c-unlim 0 to 70 43 tl431cpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 43 tl431cpsr active so ps 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431 tl431cpsrg4 active so ps 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431 tl431cpwr active tssop pw 8 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 t431 tl431id active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 tl431i tl431idbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t3ig, t3is) tl431idbvre4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3ig tl431idbvrg4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 t3ig
package option addendum www.ti.com 26-sep-2018 addendum-page 10 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431idbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t3ig, t3iu) tl431idbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3i3, t3is, t3iu) tl431idbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3i3, t3is, t3iu) tl431idbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3is, t3iu) tl431idbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t3is, t3iu) tl431idg4 active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 tl431i tl431idr active soic d 8 2500 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 tl431i tl431idre4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 tl431i tl431idrg4 active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 tl431i tl431ilp active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431i tl431ilpe3 active to-92 lp 3 1000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431i tl431ilpr active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431i tl431ilpre3 active to-92 lp 3 2000 pb-free (rohs) cu sn n / a for pkg type -40 to 85 tl431i tl431ip active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type -40 to 85 tl431ip tl431ipe4 active pdip p 8 50 green (rohs & no sb/br) cu nipdau n / a for pkg type -40 to 85 tl431ip tl431ipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 3i tl431ipkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 3i tl431qd active soic d 8 75 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431q
package option addendum www.ti.com 26-sep-2018 addendum-page 11 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl431qdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 125 (t3qg, t3qu) tl431qdbvrg4 active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t3qg tl431qdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 125 (t3qg, t3qu) tl431qdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3q3, t3qs, t3qu) tl431qdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3q3, t3qs, t3qu) tl431qdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t3qs, t3qu) tl431qdbztg4 active sot-23 dbz 3 250 tbd call ti call ti -40 to 125 (t3qs, t3qu) tl431qdckr active sc70 dck 6 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t6u tl431qdckt active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t6u tl431qdcktg4 active sc70 dck 6 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t6u tl431qdr active soic d 8 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t431q tl431qpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 3q tl431qpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 3q tl432acdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t4bg, t4bu) tl432acdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4b3, t4bs, t4bu) tl432acdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4b3, t4bs, t4bu) tl432acdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4bs, t4bu) tl432acdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4bs, t4bu)
package option addendum www.ti.com 26-sep-2018 addendum-page 12 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl432aidbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t4ag, t4au) tl432aidbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4a3, t4as, t4au) tl432aidbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4a3, t4as, t4au) tl432aidbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4a3, t4as, t4au) tl432aidbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4a3, t4as, t4au) tl432aipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 2e tl432aqdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t4du tl432aqdbvt active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t4du tl432aqdbvtg4 active sot-23 dbv 5 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 t4du tl432aqdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4d3, t4ds, t4du) tl432aqdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4d3, t4ds, t4du) tl432aqdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4ds, t4du) tl432aqdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4ds, t4du) tl432aqpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 2f tl432aqpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 2f tl432bcdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 tbcu tl432bcdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tbcs, tbcu) tl432bcdbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tbcs, tbcu)
package option addendum www.ti.com 26-sep-2018 addendum-page 13 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl432bcdbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (tbcs, tbcu) tl432bcpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 2g tl432bidbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4f3, t4fs, t4fu) tl432bidbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4f3, t4fs, t4fu) tl432bidbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4f3, t4fs, t4fu) tl432bidbztg4 active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4f3, t4fs, t4fu) tl432bipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 2h tl432bqdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4h3, t4hs, t4hu) tl432bqdbzrg4 active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4h3, t4hs, t4hu) tl432bqpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 2j tl432cdbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim 0 to 70 (t4cg, t4cu) tl432cdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 (t4cs, t4cu) tl432cpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year 0 to 70 2a tl432idbvr active sot-23 dbv 5 3000 green (rohs & no sb/br) cu nipdau | cu sn level-1-260c-unlim -40 to 85 (t4ig, t4iu) tl432idbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4is, t4iu) tl432idbzt active sot-23 dbz 3 250 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 85 (t4is, t4iu) tl432ipk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 85 2b tl432qdbzr active sot-23 dbz 3 3000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim -40 to 125 (t4qs, t4qu)
package option addendum www.ti.com 26-sep-2018 addendum-page 14 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples tl432qpk active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 2c tl432qpkg3 active sot-89 pk 3 1000 green (rohs & no sb/br) cu sn level-2-260c-1 year -40 to 125 2c (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) rohs: ti defines "rohs" to mean semiconductor products that are compliant with the current eu rohs requirements for all 10 rohs substances, including the requirement that rohs substance do not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, "rohs" products are suitable for use in specified lead-free processes. ti may reference these types of products as "pb-free". rohs exempt: ti defines "rohs exempt" to mean products that contain lead but are compliant with eu rohs pursuant to a specific eu rohs exemption. green: ti defines "green" to mean the content of chlorine (cl) and bromine (br) based flame retardants meet js709b low halogen requirements of <=1000ppm threshold. antimony trioxide based flame retardants must also meet the <=1000ppm threshold requirement. (3) msl, peak temp. - the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) there may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) multiple device markings will be inside parentheses. only one device marking contained in parentheses and separated by a "~" will appear on a device. if a line is indented then it is a continuation of the previous line and the two combined represent the entire device marking for that device. (6) lead/ball finish - orderable devices may have multiple material finish options. finish options are separated by a vertical ruled line. lead/ball finish values may wrap to two lines if the finish value exceeds the maximum column width. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis. other qualified versions of tl431a, tl431b, tl432a, tl432b :
package option addendum www.ti.com 26-sep-2018 addendum-page 15 ? automotive: TL431A-Q1 , tl431b-q1 , tl432a-q1 , tl432b-q1 note: qualified version definitions: ? automotive - q100 devices qualified for high-reliability automotive applications targeting zero defects
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tl431acdbvr sot-23 dbv 5 3000 180.0 8.4 3.23 3.17 1.37 4.0 8.0 q3 tl431acdbvr sot-23 dbv 5 3000 178.0 9.0 3.3 3.2 1.4 4.0 8.0 q3 tl431acdbvrg4 sot-23 dbv 5 3000 178.0 9.0 3.3 3.2 1.4 4.0 8.0 q3 tl431acdbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431acdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431acdbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431acdbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431acdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431acdckr sc70 dck 6 3000 180.0 8.4 2.41 2.41 1.2 4.0 8.0 q3 tl431acdr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431acdr soic d 8 2500 330.0 12.8 6.4 5.2 2.1 8.0 12.0 q1 tl431acdrg4 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431acpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431acpsr so ps 8 2000 330.0 16.4 8.2 6.6 2.5 12.0 16.0 q1 tl431acpwr tssop pw 8 2000 330.0 12.4 7.0 3.6 1.6 8.0 12.0 q1 tl431aidbvr sot-23 dbv 5 3000 180.0 8.4 3.23 3.17 1.37 4.0 8.0 q3 tl431aidbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431aidbvrg4 sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 package materials information www.ti.com 27-sep-2018 pack materials-page 1
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tl431aidbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431aidbvtg4 sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431aidbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aidbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431aidbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431aidbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aidckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431aidckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431aidr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431aidr soic d 8 2500 330.0 12.8 6.4 5.2 2.1 8.0 12.0 q1 tl431aidrg4 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431aipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431aqdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431aqdbvt sot-23 dbv 5 250 178.0 9.0 3.3 3.2 1.4 4.0 8.0 q3 tl431aqdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aqdbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aqdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aqdbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431aqdckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431aqdckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431aqpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431bcdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bcdbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bcdbvtg4 sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bcdbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431bcdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bcdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bcdbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431bcdckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431bcdckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431bcdr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431bcpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431bcpsr so ps 8 2000 330.0 16.4 8.2 6.6 2.5 12.0 16.0 q1 tl431bcpwr tssop pw 8 2000 330.0 12.4 7.0 3.6 1.6 8.0 12.0 q1 tl431bidbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bidbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bidbvtg4 sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431bidbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431bidbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bidbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431bidbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bidckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431bidckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 package materials information www.ti.com 27-sep-2018 pack materials-page 2
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tl431bidr soic d 8 2500 330.0 12.8 6.4 5.2 2.1 8.0 12.0 q1 tl431bidr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431bidrg4 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431bipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431bqdbvr sot-23 dbv 5 3000 180.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 tl431bqdbvt sot-23 dbv 5 250 180.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 tl431bqdbzr sot-23 dbz 3 3000 179.0 8.4 3.15 2.95 1.22 4.0 8.0 q3 tl431bqdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bqdbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bqdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bqdbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431bqdckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431bqdckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431bqdr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431cdbvr sot-23 dbv 5 3000 180.0 8.4 3.23 3.17 1.37 4.0 8.0 q3 tl431cdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431cdbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431cdbvt sot-23 dbv 5 250 180.0 8.4 3.23 3.17 1.37 4.0 8.0 q3 tl431cdbvtg4 sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431cdbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl431cdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431cdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431cdr soic d 8 2500 330.0 12.8 6.4 5.2 2.1 8.0 12.0 q1 tl431cdr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431cdrg4 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431cpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431cpke6 sot-89 pk 3 1000 180.0 13.0 4.91 4.52 1.9 8.0 12.0 q3 tl431cpsr so ps 8 2000 330.0 16.4 8.2 6.6 2.5 12.0 16.0 q1 tl431cpwr tssop pw 8 2000 330.0 12.4 7.0 3.6 1.6 8.0 12.0 q1 tl431idbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431idbvr sot-23 dbv 5 3000 180.0 8.4 3.23 3.17 1.37 4.0 8.0 q3 tl431idbvrg4 sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431idbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431idbzr sot-23 dbz 3 3000 179.0 8.4 3.15 2.95 1.22 4.0 8.0 q3 tl431idbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431idbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431idbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431idbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431idr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431idr soic d 8 2500 330.0 12.8 6.4 5.2 2.1 8.0 12.0 q1 tl431idrg4 soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl431ipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl431qdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 package materials information www.ti.com 27-sep-2018 pack materials-page 3
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tl431qdbvrg4 sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431qdbvt sot-23 dbv 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl431qdbzr sot-23 dbz 3 3000 179.0 8.4 3.15 2.95 1.22 4.0 8.0 q3 tl431qdbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431qdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl431qdckr sc70 dck 6 3000 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431qdckt sc70 dck 6 250 179.0 8.4 2.2 2.5 1.2 4.0 8.0 q3 tl431qdr soic d 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 q1 tl432acdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl432acdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432acdbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432acdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432acdbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aidbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl432aidbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl432aidbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aidbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl432aidbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432aqdbvr sot-23 dbv 5 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 tl432aqdbvt sot-23 dbv 5 250 179.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 tl432aqdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aqdbzrg4 sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aqdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aqdbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432aqpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432bcdbvr sot-23 dbv 5 3000 180.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 tl432bcdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bcdbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bcdbztg4 sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bcpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432bidbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bidbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl432bidbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bidbzt sot-23 dbz 3 250 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl432bipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432bqdbzr sot-23 dbz 3 3000 178.0 9.2 3.15 2.77 1.22 4.0 8.0 q3 tl432bqdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432bqpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432cdbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 tl432cdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432cpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432idbvr sot-23 dbv 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 q3 package materials information www.ti.com 27-sep-2018 pack materials-page 4
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant tl432idbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432idbzt sot-23 dbz 3 250 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432ipk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 tl432qdbzr sot-23 dbz 3 3000 180.0 8.4 3.15 2.77 1.22 4.0 8.0 q3 tl432qpk sot-89 pk 3 1000 180.0 12.4 4.91 4.52 1.9 8.0 12.0 q3 *all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) tl431acdbvr sot-23 dbv 5 3000 183.0 183.0 20.0 tl431acdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431acdbvrg4 sot-23 dbv 5 3000 180.0 180.0 18.0 tl431acdbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431acdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431acdbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl431acdbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl431acdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431acdckr sc70 dck 6 3000 183.0 183.0 20.0 tl431acdr soic d 8 2500 340.5 338.1 20.6 tl431acdr soic d 8 2500 364.0 364.0 27.0 tl431acdrg4 soic d 8 2500 340.5 338.1 20.6 package materials information www.ti.com 27-sep-2018 pack materials-page 5
device package type package drawing pins spq length (mm) width (mm) height (mm) tl431acpk sot-89 pk 3 1000 340.0 340.0 38.0 tl431acpsr so ps 8 2000 367.0 367.0 38.0 tl431acpwr tssop pw 8 2000 367.0 367.0 35.0 tl431aidbvr sot-23 dbv 5 3000 183.0 183.0 20.0 tl431aidbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431aidbvrg4 sot-23 dbv 5 3000 180.0 180.0 18.0 tl431aidbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431aidbvtg4 sot-23 dbv 5 250 180.0 180.0 18.0 tl431aidbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431aidbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl431aidbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl431aidbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431aidckr sc70 dck 6 3000 203.0 203.0 35.0 tl431aidckt sc70 dck 6 250 203.0 203.0 35.0 tl431aidr soic d 8 2500 340.5 338.1 20.6 tl431aidr soic d 8 2500 364.0 364.0 27.0 tl431aidrg4 soic d 8 2500 340.5 338.1 20.6 tl431aipk sot-89 pk 3 1000 340.0 340.0 38.0 tl431aqdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431aqdbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431aqdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431aqdbzrg4 sot-23 dbz 3 3000 202.0 201.0 28.0 tl431aqdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431aqdbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl431aqdckr sc70 dck 6 3000 203.0 203.0 35.0 tl431aqdckt sc70 dck 6 250 203.0 203.0 35.0 tl431aqpk sot-89 pk 3 1000 340.0 340.0 38.0 tl431bcdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431bcdbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431bcdbvtg4 sot-23 dbv 5 250 180.0 180.0 18.0 tl431bcdbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl431bcdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431bcdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431bcdbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl431bcdckr sc70 dck 6 3000 203.0 203.0 35.0 tl431bcdckt sc70 dck 6 250 203.0 203.0 35.0 tl431bcdr soic d 8 2500 340.5 338.1 20.6 tl431bcpk sot-89 pk 3 1000 340.0 340.0 38.0 tl431bcpsr so ps 8 2000 367.0 367.0 38.0 tl431bcpwr tssop pw 8 2000 367.0 367.0 35.0 tl431bidbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431bidbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431bidbvtg4 sot-23 dbv 5 250 180.0 180.0 18.0 tl431bidbzr sot-23 dbz 3 3000 180.0 180.0 18.0 package materials information www.ti.com 27-sep-2018 pack materials-page 6
device package type package drawing pins spq length (mm) width (mm) height (mm) tl431bidbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431bidbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl431bidbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431bidckr sc70 dck 6 3000 203.0 203.0 35.0 tl431bidckt sc70 dck 6 250 203.0 203.0 35.0 tl431bidr soic d 8 2500 364.0 364.0 27.0 tl431bidr soic d 8 2500 340.5 338.1 20.6 tl431bidrg4 soic d 8 2500 340.5 338.1 20.6 tl431bipk sot-89 pk 3 1000 340.0 340.0 38.0 tl431bqdbvr sot-23 dbv 5 3000 203.0 203.0 35.0 tl431bqdbvt sot-23 dbv 5 250 203.0 203.0 35.0 tl431bqdbzr sot-23 dbz 3 3000 203.0 203.0 35.0 tl431bqdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431bqdbzrg4 sot-23 dbz 3 3000 183.0 183.0 20.0 tl431bqdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431bqdbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl431bqdckr sc70 dck 6 3000 203.0 203.0 35.0 tl431bqdckt sc70 dck 6 250 203.0 203.0 35.0 tl431bqdr soic d 8 2500 340.5 338.1 20.6 tl431cdbvr sot-23 dbv 5 3000 183.0 183.0 20.0 tl431cdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431cdbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431cdbvt sot-23 dbv 5 250 183.0 183.0 20.0 tl431cdbvtg4 sot-23 dbv 5 250 180.0 180.0 18.0 tl431cdbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl431cdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431cdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431cdr soic d 8 2500 364.0 364.0 27.0 tl431cdr soic d 8 2500 340.5 338.1 20.6 tl431cdrg4 soic d 8 2500 340.5 338.1 20.6 tl431cpk sot-89 pk 3 1000 340.0 340.0 38.0 tl431cpke6 sot-89 pk 3 1000 182.4 182.4 17.3 tl431cpsr so ps 8 2000 367.0 367.0 38.0 tl431cpwr tssop pw 8 2000 367.0 367.0 35.0 tl431idbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431idbvr sot-23 dbv 5 3000 183.0 183.0 20.0 tl431idbvrg4 sot-23 dbv 5 3000 180.0 180.0 18.0 tl431idbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431idbzr sot-23 dbz 3 3000 203.0 203.0 35.0 tl431idbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl431idbzrg4 sot-23 dbz 3 3000 183.0 183.0 20.0 tl431idbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431idbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl431idr soic d 8 2500 340.5 338.1 20.6 package materials information www.ti.com 27-sep-2018 pack materials-page 7
device package type package drawing pins spq length (mm) width (mm) height (mm) tl431idr soic d 8 2500 364.0 364.0 27.0 tl431idrg4 soic d 8 2500 340.5 338.1 20.6 tl431ipk sot-89 pk 3 1000 340.0 340.0 38.0 tl431qdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl431qdbvrg4 sot-23 dbv 5 3000 180.0 180.0 18.0 tl431qdbvt sot-23 dbv 5 250 180.0 180.0 18.0 tl431qdbzr sot-23 dbz 3 3000 203.0 203.0 35.0 tl431qdbzrg4 sot-23 dbz 3 3000 183.0 183.0 20.0 tl431qdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl431qdckr sc70 dck 6 3000 203.0 203.0 35.0 tl431qdckt sc70 dck 6 250 203.0 203.0 35.0 tl431qdr soic d 8 2500 340.5 338.1 20.6 tl432acdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl432acdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432acdbzrg4 sot-23 dbz 3 3000 183.0 183.0 20.0 tl432acdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432acdbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl432aidbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl432aidbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl432aidbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432aidbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl432aidbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432aipk sot-89 pk 3 1000 340.0 340.0 38.0 tl432aqdbvr sot-23 dbv 5 3000 203.0 203.0 35.0 tl432aqdbvt sot-23 dbv 5 250 203.0 203.0 35.0 tl432aqdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432aqdbzrg4 sot-23 dbz 3 3000 183.0 183.0 20.0 tl432aqdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432aqdbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl432aqpk sot-89 pk 3 1000 340.0 340.0 38.0 tl432bcdbvr sot-23 dbv 5 3000 203.0 203.0 35.0 tl432bcdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432bcdbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432bcdbztg4 sot-23 dbz 3 250 183.0 183.0 20.0 tl432bcpk sot-89 pk 3 1000 340.0 340.0 38.0 tl432bidbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432bidbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl432bidbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432bidbzt sot-23 dbz 3 250 180.0 180.0 18.0 tl432bipk sot-89 pk 3 1000 340.0 340.0 38.0 tl432bqdbzr sot-23 dbz 3 3000 180.0 180.0 18.0 tl432bqdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432bqpk sot-89 pk 3 1000 340.0 340.0 38.0 tl432cdbvr sot-23 dbv 5 3000 180.0 180.0 18.0 package materials information www.ti.com 27-sep-2018 pack materials-page 8
device package type package drawing pins spq length (mm) width (mm) height (mm) tl432cdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432cpk sot-89 pk 3 1000 340.0 340.0 38.0 tl432idbvr sot-23 dbv 5 3000 180.0 180.0 18.0 tl432idbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432idbzt sot-23 dbz 3 250 183.0 183.0 20.0 tl432ipk sot-89 pk 3 1000 340.0 340.0 38.0 tl432qdbzr sot-23 dbz 3 3000 183.0 183.0 20.0 tl432qpk sot-89 pk 3 1000 340.0 340.0 38.0 package materials information www.ti.com 27-sep-2018 pack materials-page 9

www.ti.com package outline c typ 0.22 0.08 0.25 3.0 2.6 2x 0.95 1.9 1.45 max typ 0.15 0.00 5x 0.5 0.3 typ 0.6 0.3 typ 8 0 1.9 a 3.05 2.75 b 1.75 1.45 (1.1) sot-23 - 1.45 mm max height dbv0005a small outline transistor 4214839/c 04/2017 notes: 1. all linear dimensions are in millimeters. any dimensions in parenthesis are for reference only. dimensioning and tolerancing per asme y14.5m. 2. this drawing is subject to change without notice. 3. refernce jedec mo-178. 0.2 c a b 1 3 4 5 2 index area pin 1 gage plane seating plane 0.1 c scale 4.000
www.ti.com example board layout 0.07 max arround 0.07 min arround 5x (1.1) 5x (0.6) (2.6) (1.9) 2x (0.95) (r0.05) typ 4214839/c 04/2017 sot-23 - 1.45 mm max height dbv0005a small outline transistor notes: (continued) 4. publication ipc-7351 may have alternate designs. 5. solder mask tolerances between and around signal pads can vary based on board fabrication site. symm land pattern example exposed metal shown scale:15x pkg 1 3 4 5 2 solder mask opening metal under solder mask solder mask defined exposed metal metal solder mask opening non solder mask defined (preferred) solder mask details exposed metal
www.ti.com example stencil design (2.6) (1.9) 2x(0.95) 5x (1.1) 5x (0.6) (r0.05) typ sot-23 - 1.45 mm max height dbv0005a small outline transistor 4214839/c 04/2017 notes: (continued) 6. laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. ipc-7525 may have alternate design recommendations. 7. board assembly site may have different recommendations for stencil design. solder paste example based on 0.125 mm thick stencil scale:15x symm pkg 1 3 4 5 2
www.ti.com package outline c typ 0.22 0.08 0.25 3.0 2.6 2x 0.95 1.9 1.45 max typ 0.15 0.00 5x 0.5 0.3 typ 0.6 0.3 typ 8 0 1.9 a 3.05 2.75 b 1.75 1.45 (1.1) sot-23 - 1.45 mm max height dbv0005a small outline transistor 4214839/c 04/2017 notes: 1. all linear dimensions are in millimeters. any dimensions in parenthesis are for reference only. dimensioning and tolerancing per asme y14.5m. 2. this drawing is subject to change without notice. 3. refernce jedec mo-178. 0.2 c a b 1 3 4 5 2 index area pin 1 gage plane seating plane 0.1 c scale 4.000
www.ti.com example board layout 0.07 max arround 0.07 min arround 5x (1.1) 5x (0.6) (2.6) (1.9) 2x (0.95) (r0.05) typ 4214839/c 04/2017 sot-23 - 1.45 mm max height dbv0005a small outline transistor notes: (continued) 4. publication ipc-7351 may have alternate designs. 5. solder mask tolerances between and around signal pads can vary based on board fabrication site. symm land pattern example exposed metal shown scale:15x pkg 1 3 4 5 2 solder mask opening metal under solder mask solder mask defined exposed metal metal solder mask opening non solder mask defined (preferred) solder mask details exposed metal
www.ti.com example stencil design (2.6) (1.9) 2x(0.95) 5x (1.1) 5x (0.6) (r0.05) typ sot-23 - 1.45 mm max height dbv0005a small outline transistor 4214839/c 04/2017 notes: (continued) 6. laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. ipc-7525 may have alternate design recommendations. 7. board assembly site may have different recommendations for stencil design. solder paste example based on 0.125 mm thick stencil scale:15x symm pkg 1 3 4 5 2

www.ti.com package outline c typ 6.6 6.2 1.2 max 6x 0.65 8x 0.30 0.19 2x 1.95 0.15 0.05 (0.15) typ 0 - 8 0.25 gage plane 0.75 0.50 a note 3 3.1 2.9 b note 4 4.5 4.3 4221848/a 02/2015 tssop - 1.2 mm max height pw0008a small outline package notes: 1. all linear dimensions are in millimeters. any dimensions in parenthesis are for reference only. dimensioning and tolerancing per asme y14.5m. 2. this drawing is subject to change without notice. 3. this dimension does not include mold flash, protrusions, or gate burrs. mold flash, protrusions, or gate burrs shall not exceed 0.15 mm per side. 4. this dimension does not include interlead flash. interlead flash shall not exceed 0.25 mm per side. 5. reference jedec registration mo-153, variation aa. 1 8 0.1 c a b 5 4 pin 1 id area seating plane 0.1 c see detail a detail a typical scale 2.800
www.ti.com example board layout (5.8) 0.05 max all around 0.05 min all around 8x (1.5) 8x (0.45) 6x (0.65) (r ) typ 0.05 4221848/a 02/2015 tssop - 1.2 mm max height pw0008a small outline package symm symm land pattern example scale:10x 1 4 5 8 notes: (continued) 6. publication ipc-7351 may have alternate designs. 7. solder mask tolerances between and around signal pads can vary based on board fabrication site. metal solder mask opening non solder mask defined solder mask details not to scale solder mask opening metal under solder mask solder mask defined
www.ti.com example stencil design (5.8) 6x (0.65) 8x (0.45) 8x (1.5) (r ) typ 0.05 4221848/a 02/2015 tssop - 1.2 mm max height pw0008a small outline package notes: (continued) 8. laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. ipc-7525 may have alternate design recommendations. 9. board assembly site may have different recommendations for stencil design. symm symm 1 4 5 8 solder paste example based on 0.125 mm thick stencil scale:10x

www.ti.com package outline 3x 2.67 2.03 5.21 4.44 5.34 4.32 3x 12.7 min 2x 1.27 0.13 3x 0.55 0.38 4.19 3.17 3.43 min 3x 0.43 0.35 (2.54) note 3 2x 2.6 0.2 2x 4 max seating plane 6x 0.076 max (0.51) typ (1.5) typ to-92 - 5.34 mm max height lp0003a to-92 4215214/b 04/2017 notes: 1. all linear dimensions are in millimeters. any dimensions in parenthesis are for reference only. dimensioning and tolerancing per asme y14.5m. 2. this drawing is subject to change without notice. 3. lead dimensions are not controlled within this area. 4. reference jedec to-226, variation aa. 5. shipping method: a. straight lead option available in bulk pack only. b. formed lead option available in tape and reel or ammo pack. c. specific products can be offered in limited combinations of shipping medium and lead options. d. consult product folder for more information on available options. ejector pin optional plane seating straight lead option 3 2 1 scale 1.200 formed lead option other dimensions identical to straight lead option scale 1.200
www.ti.com example board layout 0.05 max all around typ (1.07) (1.5) 2x (1.5) 2x (1.07) (1.27) (2.54) full r typ ( 1.4) 0.05 max all around typ (2.6) (5.2) (r0.05) typ 3x ( 0.9) hole 2x ( 1.4) metal 3x ( 0.85) hole (r0.05) typ 4215214/b 04/2017 to-92 - 5.34 mm max height lp0003a to-92 land pattern example formed lead option non-solder mask defined scale:15x solder mask opening metal 2x solder mask opening 1 2 3 land pattern example straight lead option non-solder mask defined scale:15x metal typ solder mask opening 2x solder mask opening 2x metal 1 2 3
www.ti.com tape specifications 19.0 17.5 13.7 11.7 11.0 8.5 0.5 min typ-4.33.7 9.75 8.50 typ 2.9 2.4 6.75 5.95 13.0 12.4 (2.5) typ 16.5 15.5 32 23 4215214/b 04/2017 to-92 - 5.34 mm max height lp0003a to-92 for formed lead option package
4203227/c
www.ti.com package outline c typ 0.20 0.08 0.25 2.64 2.10 1.12 max typ 0.10 0.01 3x 0.5 0.3 typ 0.6 0.2 1.9 0.95 typ-8 0 a 3.04 2.80 b 1.4 1.2 (0.95) sot-23 - 1.12 mm max height dbz0003a small outline transistor 4214838/c 04/2017 notes: 1. all linear dimensions are in millimeters. any dimensions in parenthesis are for reference only. dimensioning and tolerancing per asme y14.5m. 2. this drawing is subject to change without notice. 3. reference jedec registration to-236, except minimum foot length. 0.2 c a b 1 3 2 index area pin 1 gage plane seating plane 0.1 c scale 4.000
www.ti.com example board layout 0.07 max all around 0.07 min all around 3x (1.3) 3x (0.6) (2.1) 2x (0.95) (r0.05) typ 4214838/c 04/2017 sot-23 - 1.12 mm max height dbz0003a small outline transistor notes: (continued) 4. publication ipc-7351 may have alternate designs. 5. solder mask tolerances between and around signal pads can vary based on board fabrication site. symm land pattern example scale:15x pkg 1 3 2 solder mask opening metal under solder mask solder mask defined metal solder mask opening non solder mask defined (preferred) solder mask details
www.ti.com example stencil design (2.1) 2x(0.95) 3x (1.3) 3x (0.6) (r0.05) typ sot-23 - 1.12 mm max height dbz0003a small outline transistor 4214838/c 04/2017 notes: (continued) 6. laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. ipc-7525 may have alternate design recommendations. 7. board assembly site may have different recommendations for stencil design. solder paste example based on 0.125 thick stencil scale:15x symm pkg 1 3 2
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