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tle7272-2 5-v low dropout voltage regulator data sheet, rev. 1.0, june 2009 automotive power
type package marking tle7272-2e pg-ssop-14 exposed pad 7272-2e TLE7272-2D pg-to252-5 7272-2d pg-ssop-14 exposed pad pg-to252-5 data sheet 2 rev. 1.0, 2009-06-01 5-v low dropout voltage regulator tle7272-2 1overview features ? ultra low current consumption 20 a ? output voltage 5 v 2% ? output current up to 300 ma ? power-on and undervoltage reset ? reset low down to v q = 1 v ? enable input ? very low dropout voltage ? output current limitation ? overtemperature shutdown ? wide temperature range from -40 c up to 150 c ? green product (rohs compliant) ? aec qualified description the tle7272-2 is a monolithic integrated low dropout voltage regulator for load currents up to 300 ma. an input voltage up to 42 v is regulated to v q,nom = 5.0 v with a precision of 2%. due to its integrated reset circuitry featuring power on timing a nd output voltage monitoring the ic is well suited as -controller supply. the soph isticated design allows to achieve stable operation even with ceramic output capacitors down to 470 nf. the device is designed for th e harsh environment of automotive applications. therefore it is protec ted against overload, short circuit and overtemperature conditions by the implemented output current limitation and the overtemperature shutdown circ uit. the tle7272-2 can be also used in all other applications requ iring a stabilized 5 v voltage. due to its ultra low quiescent current of typically 20 a the tle7272-2 is dedicated for use in applications permanently connected to v bat . in addition the device can be switched off via the enable input reducing the current consumption to typically 5 a. an integrated output sink current circui try keeps the voltage at the output pin q below 5.5 v even in case of occuring reverse currents. thus connected devices ar e protected from overvoltage damage. for applications requiring extremely low noise levels the infineon voltage regulator family tle 42xx and tle 44xx is more suited than the tle7272-2. a mv-ran ge output noise on the tle7272-2 caused by the charge pump operation is unavoidable due to the ultra low quiescent current concept.
data sheet 3 rev. 1.0, 2009-06-01 tle7272-2 block diagram 2 block diagram figure 1 block diagram tle7272-2 overtemperature shutdown 1 bandgap reference charge pump enable reset generator q ro gnd aeb03523.vsd en i
tle7272-2 pin configuration data sheet 4 rev. 1.0, 2009-06-01 3 pin configuration 3.1 pin assignment pg-ssop-14 exposed pad figure 2 pin configuration (top view) 3.2 pin definitions and funct ions pg-ssop-14 exposed pad pin no. symbol function 1,3,5,7 n.c. non connected can be open or connected to gnd 2ro reset output open collector output with integrated pull-up resistor; optional external pull-up resistor of 10 k ? to pin q; leave open if reset function not needed 4gnd ground 6en enable input high level input signal enables the ic; low level input signal disables the ic; integrated pull-down resistor 8,10,11,12,14 n.c. non connected can be open or connected to gnd 9q output block to ground with a capacitor close to the ic terminals, respecting the values given for its capacitance and esr in ?functional range? on page 6 13 i input block to ground directly at the ic with a ceramic capacitor pad ? exposed pad connect to gnd and heatsink area qf qf 4 qf qf qf , qf qf (1 qf *1' qf 52 7/(b3,1&21),*b6623 69*
data sheet 5 rev. 1.0, 2009-06-01 tle7272-2 pin configuration 3.3 pin assignment pg-to252-5 figure 3 pin configuration (top view) 3.4 pin definitions an d functions pg-to252-5 pin no. symbol function 1i input block to ground directly at the ic with a ceramic capacitor 2ro reset output open collector output with integrated pull-up resistor; optional external pull-up resistor of 10 k ? to pin q; leave open if reset function not needed 3gnd ground internally connected to heat slug 4en enable input high level input signal enables the ic; low level input signal disables the ic; integrated pull-down resistor 5q output block to ground with a capacitor close to the ic terminals, respecting the values given for its capacitance and esr in ?functional range? on page 6 heat slug ? heat slug internally connected to gnd; connect to gnd and heatsink area ro en q gnd i
tle7272-2 general product characteristics data sheet 6 rev. 1.0, 2009-06-01 4 general product characteristics 4.1 absolute maximum ratings note: stresses above the ones listed here may cause perm anent damage to the device. exposure to absolute maximum rating conditions for extended periods may affect device reliability. note: integrated protection functions are designed to prevent ic destruction under fault conditions described in the data sheet. fault conditions are considered as ?outside? normal operating range. protection functions are not designed for continuous repetitive operation. 4.2 functional range note: within the functional or operating range, the ic operat es as described in the circuit description. the electrical characteristics are specif ied within the conditions given in th e electrical char acteristics table. absolute maximum ratings 1) t j = -40 c to 150 c; all voltages with respect to ground, (unless otherwise specified) 1) not subject to production test, specified by design pos. parameter symbol limit values unit test condition min. max. input i 4.1.1 voltage v i -0.3 45 v ? output q, reset output ro 4.1.2 voltage v q , v ro -0.3 6 v ? 4.1.3 voltage v q , v ro -0.3 6.2 v t < 10 s 2) 2) exposure to these absolute maximum ratings for extended periods ( t > 10 s) may affect device reliability enable input en 4.1.4 voltage v en -0.3 45 v ? temperature 4.1.5 junction temperature t j -40 150 c? 4.1.6 storage temperature t stg -50 150 c? esd susceptibility 4.1.7 human body model (hbm) 3) 3) esd susceptibility human body model ?h bm? according to aec-q100-002 - jesd22-a114 voltage - 3 kv ? 4.1.8 charged device model (cdm) 4) 4) esd susceptibility charged device model ?cdm? according to esda stm5.3.1 voltage - 1.5 kv ? pos. parameter symbol limit values unit remarks min. max. 4.2.1 input voltage v i 5.5 42 v ? 4.2.2 output capacitor?s requirements c q 470 ? nf 1) 1) the minimum output capacitance requirement is appl icable for a worst case capacitance tolerance of 30% 4.2.3 esr(c q ) ?10 ? 2) 2) relevant esr value at f =10khz 4.2.4 junction temperature t j -40 150 c?
data sheet 7 rev. 1.0, 2009-06-01 tle7272-2 general product characteristics 4.3 thermal resistance note: this thermal data was generated in accordance wit h jedec jesd51 standards. fo r more information, go to www.jedec.org . pos. parameter symbol limit values unit conditions min. typ. max. tle7272-2e (pg-ssop-14 exposed pad) 4.3.1 junction to case 1) 1) not subject to production test, specified by design. r thjc ? 14 ? k/w measured to exposed pad 4.3.2 junction to ambient 1) r thja ?47?k/w 2) 2) specified r thja value is according to jedec jesd51-2,-5,-7 at natural convection on fr4 2s2p board; the product (chip+package) was simulated on a 76.2 x 114.3 x 1.5 mm3 bo ard with 2 inner copper layers (2 x 70m cu, 2 x 35m cu). where applicable a thermal via array under the ex posed pad contacted the first inner copper layer. 4.3.3 r thja ? 141 ? k/w footprint only 3) 3) specified r thja value is according to jedec jesd 51-3 at natural convection on fr4 1s0p board; the product (chip+package) was simulated on a 76.2 114.3 1.5 mm 3 board with 1 copper layer (1 x 70m cu). 4.3.4 r thja ? 66 ? k/w 300 mm2 heatsink area 3) 4.3.5 r thja ? 56 ? k/w 600 mm2 heatsink area 3) TLE7272-2D (pg-to252-5) 4.3.1 junction to case 1) r thjc ? 6 ? k/w measured to tab 4.3.2 junction to ambient 1) r thja ?32?k/w 2) 4.3.3 r thja ? 115 ? k/w footprint only 3) 4.3.4 r thja ? 62 ? k/w 300 mm2 heatsink area 3) 4.3.5 r thja ? 47 ? k/w 600 mm2 heatsink area 3)
tle7272-2 electrical characteristics data sheet 8 rev. 1.0, 2009-06-01 5 electrical characteristics 5.1 electrical character istics voltage regulator electrical characteristics v i =13.5 v; t j = -40 c to 150 c; all voltages with respect to ground (unless otherwise specified) pos. parameter symbol limit va lues unit measuring condition min. typ. max. output q 5.1.1 output voltage v q 4.9 5.0 5.1 v 0.1 ma < i q <300 ma 6v< v i <16v 5.1.2 output voltage v q 4.9 5.0 5.1 v 0.1 ma < i q <100 ma 6v< v i <40v 5.1.3 dropout voltage v dr ?250500mv i q =200ma v dr = v i ? v q 1) 5.1.4 load regulation ? v q, lo ? 40 15 40 mv i q = 5 ma to 250 ma 5.1.5 line regulation ? v q, li ? 20 5 20 mv v l = 10 v to 32 v i q =5ma 5.1.6 output current limitation i q 301??ma 1) 1) measured when the output voltage v q has dropped 100 mv from the nominal value obtained at v i = 13.5 v. 5.1.7 output current limitation i q ??800ma v q =0v 5.1.8 power supply ripple rejection 2) 2) not subject to production test, specified by design psrr ?60?db f r =100hz; v r =0.5vpp 5.1.9 temperature output voltage drift ? 0.5 ? mv/k ? current consumption 5.1.10 quiescent current i q = i i ? i q i q ?2030 a i q = 0.1 ma; v en = 5 v t j =25 c 5.1.11 quiescent current i q = i i ? i q i q ??40 a i q = 0.1 ma; v en = 5 v t j 80 c 5.1.12 current consumption, regulator disabled i q ?59a v en = 0 v; t j < 80c dv q dt ---------- -
data sheet 9 rev. 1.0, 2009-06-01 tle7272-2 electrical characteristics 5.2 typical performance characteristics voltage regulator current consumption i q versus junction temperature t j current consumption i q versus input voltage v iq current consumption i q versus output current i q output voltage v q versus junction temperature t j 1_iq-tj.vsd 10 1 0.01 100 i q [a] -40 t j [c] -20 20 40 80 100 0 60 140 120 v i = 13.5v i q = 100 a 0 v i [v] 20 30 i q [a] 3_iq-vi.vsd 30 20 10 40 10 40 i q = 0.2ma i q = 10ma i q = 50ma tj = 25c 0100 2_iq-iq.vsd 15 10 5 20 200 t j = -40 c 30 t j = 25 c i q [ma] i q [a] v i = 13.5 v 300 -40 t j [c] -20 20 40 80 100 v q [v] 5a_vq-tj.vsd 5.00 4.95 4.90 5.05 060 140 120 v i = 13.5 v i q =100a...100ma
tle7272-2 electrical characteristics data sheet 10 rev. 1.0, 2009-06-01 dropout voltage v dr versus output current i q maximum output current i q versus junction temperature t j dropout voltage v dr versus junction temperature maximum output current i q versus input voltage v i 0 i q [ma] 100 200 v dr [mv] 6_vdr-iq.vsd 300 200 100 400 300 600 t j = 150 c t j = 25 c t j = -40 c -40 t j [c] -20 20 40 80 100 i q [ma] 8_iqmax-tj.vsd 560 540 520 580 0 60 140 120 v i = 13.5 v 500 620 -40 t j [c] -20 20 40 80 100 v dr [mv] 7_vdr-tj.vsd 300 200 100 400 0 60 140 120 i q = 150ma 600 i q = 250 ma i q = 10 ma 0 v i [v] 20 30 i q [ma] 9_soa.vsd 300 200 100 400 10 40 600 i qlim t j = 25 c t j = 125 c
data sheet 11 rev. 1.0, 2009-06-01 tle7272-2 electrical characteristics region of stability output voltage v q start-up behavior power supply ripple rejection psrr versus frequency f load regulation ? v q versus output current change ? i q 1 2 _esr- iq.vsd 1 0.1 0.01 esr cq [ ? ] 0 i q [ma ] 100 150 50 200 c q = 470nf ...10 f t j = 25 c 100 10 stable region v q [v] 14_vi-time_startup.vsd 5.00 4.90 4.80 5.05 i load = 5ma 1 t [ms] 34 25 en = high 10 f [hz] 10k psrr [db] 13_psrr.vsd 60 50 100 1k 100k 80 30 40 i q = 30 ma v ripple = 1 v v in = 13.5 v c q = 10 f tantalum t j = 25 c i q = 100 ma i q = 0.1 ma 0 ? i q [ma] 100 150 ? v q [mv] 18a_dvq-diq_vi6v.vsd -15 -20 -25 -10 50 250 0 t j = 25 c -30 v i = 6v t j = -40 c t j = 150 c
tle7272-2 electrical characteristics data sheet 12 rev. 1.0, 2009-06-01 load regulation ? v q versus output current change di q line regulation ? v q versus input voltage changed v i load regulation ? v q versus output current change ? i q line regulation ? v q versus input voltage changed v i 0 ? i q [ma] 100 150 ? v q [mv] 18b_dvq-diq_vi135v.vsd -15 -20 -25 -10 50 250 0 t j = 25 c -30 v i = 13.5v t j = -40 c t j = 150 c 0 ? v i [v] 515203035 ? v q [mv] 19_dvq-dvi__150c.vsd -3 -4 -5 -2 10 25 45 40 0 t j =150 c -6 i q = 200ma i q = 100ma i q = 10ma i q = 1ma 0 ? i q [ma] 100 150 ? v q [mv] 18c_dvq-diq_vi28v.vsd -15 -20 -25 -10 50 250 0 t j = 25 c -30 v i = 28 t j = -40 c t j = 150 c 0 ? v i [v] 515203035 ? v q [mv] 19_dvq-dvi_25c.vsd -3 -4 -5 -2 10 25 45 40 0 t j = 25 c -6 i q = 200ma i q = 100ma i q = 1ma i q = 10ma
data sheet 13 rev. 1.0, 2009-06-01 tle7272-2 electrical characteristics line regulation ? v q versus input voltage change v i load transient response peak voltage ? v q load transient response peak voltage ? v q line transient response peak voltage ? v q 0 ? v i [v] 515203035 ? v q [mv] 19_dvq-dvi_-40c.vsd -3 -4 -5 -2 10 25 45 40 0 t j =40 c -6 i q = 1ma i q = 200ma i q = 100ma i q = 10ma 20_load trancient vs time 125.vsd t j = 125 c v i = 13.5 v i q [ma] v q [v] 0 100 5.00 4.90 5.10 t [s] 0 80 160 240 4.80 20_load trancient vs time 25.vsd t j = 25 c v i = 13.5 v i q [ma] v q [v] 0 100 4.90 4.80 5.00 t [s] 0 80 160 240 21_line trancient vs time 25.vsd t j = 25 c v i [v] 13.5 11.5 15.5 v q [v] 5.00 4.95 5.05 t [ms] 0 0.8 1.6 2.4
tle7272-2 electrical characteristics data sheet 14 rev. 1.0, 2009-06-01 line transient response peak voltage ? v q i 21_line trancient vs time 125.vsd v i [v] t j = 125 c v q [v] 13.5 11.5 15.5 5.00 4.95 5.05 t [ms] 0 0.8 1.6 2.4
data sheet 15 rev. 1.0, 2009-06-01 tle7272-2 electrical characteristics 5.3 electrical character istics enable function the enable function allows disabling/enabling the regulator via the input pin en. the regulator is turned on in case the pin en is connected to a voltage higher than ven,h . this can be e.g. the ba ttery voltage, whereby no additional pull-up resistor is needed. the regulator can be turned off by connecting the pin en to a voltage less than ven,l , e.g. gnd. 5.4 typical performance char acteristics enable function electrical characteristics enable v i =13.5 v; t j = -40 c to 150 c; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit va lues unit measuring condition min. typ. max. 5.3.13 high level input voltage v en,h 3.1??v v q 4.9 v 5.3.14 low level input voltage v en,l ??0.8v v q 0.3 v 5.3.15 high level input current i en,h ?34a v en = 5 v enabled input current i en versus input voltage v i , en=off enabled input current i en versus enabled input voltage v en i en [a] 25_iinh vs vin inh_off.vsd 0.6 0.4 0.2 0.8 t j = 25c 10 v in [v] 30 40 20 1.0 t j = -40c t j = 150c en = off i en [a] 24_iinh vs vinh.vsd 30 20 10 40 t j = 25c 10 v en [v] 30 40 20 50 t j = -40c t j = 150c
tle7272-2 electrical characteristics data sheet 16 rev. 1.0, 2009-06-01 5.5 electrical character istics reset function the reset function informs e.g. the microcontroller in ca se the output voltage has fallen below the lower threshold vrt of typ. 4.65 v. the headroom vrh between the output voltage and the reset threshold is typically 350 mv. connecting the regulator to a battery voltage at first th e reset signal remains low. when the output voltage has reached the reset threshold vrt the reset output ro remains st ill low for the reset delay time trd (typ. 16 ms). afterwards the reset output turns high. electrical characteristics reset v i =13.5 v; ? 40 c < t j < 150 c; all voltages with respect to ground (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 5.5.1 output undervoltage reset switching threshold v rt 4.50 4.65 4.80 v v q decreasing v i = 6v 5.5.2 output undervoltage reset headroom v rh ?350?mv? 5.5.3 reset output low level voltage v rol ?0.20.4v r ro =10k ? ; v q > 1 v 5.5.4 integrated reset pull up resistor r ro 15 30 45 k ? ? 5.5.5 optional external reset pull up resistor r ro,ext 10 ? ? k ? ? 5.5.6 power on reset delay time t rd 10 16 22 ms ? 5.5.7 reset reaction time t rr ??12 s?
data sheet 17 rev. 1.0, 2009-06-01 tle7272-2 electrical characteristics 5.6 typical performance ch aracteristics reset function reset threshold v rt versus junction temperature t j reset delay t rd versus junction temperature t j -40 t j [c] -20 20 40 80 100 v q [v] 26_vrt vs temp.vsd 4.80 4.70 4.60 4.90 060 140 120 v i = 13.5 v reset release threshold reset trigger threshold -40 t j [c] -20 20 40 80 100 t rd [ms] 27_resetdelay vs temp.vsd 16 14 12 18 060 140 120 v i = 13.5 v 22
tle7272-2 package outlines data sheet 18 rev. 1.0, 2009-06-01 6 package outlines figure 4 pg-ssop-14 exposed pad pg-ssop-14-1,-2,-3-po v02 1 7 14 8 14 17 8 14x 0.25 ?.05 2) m 0.15 d c a-b 0.65 c stand off 0 ... 0.1 (1.45) 1.7 max. 0.08 c a b 4.9 ?.1 1) a-b c 0.1 2x 1) does not include plastic or metal protrusion of 0.15 max. per side 2) does not include dambar protrusion bottom view ?.2 3 ?.2 2.65 0.2 ?.2 d 6 m d 8x 0.64 ?.25 3.9 ?.1 1) 0.35 x 45? 0.1 cd +0.06 0.19 8 ? max. index marking exposed diepad
data sheet 19 rev. 1.0, 2009-06-01 tle7272-2 package outlines figure 5 pg-to252-5 green product (rohs compliant) to meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. green products are rohs-compliant (i.e pb-free finish on leads and suitable for pb-free soldering according to ipc/jedec j-std-020). 1) includes mold flashes on each side. 4.56 0.25 m a 6.5 5.7 max. ?.1 per side 0.15 max. -0.2 6.22 ?.5 9.98 (4.24) 1 a 1.14 5 x 0.6 ?.15 0.8 ?.1 +0.15 -0.05 0.1 b -0.04 +0.08 0...0.15 0.51 min. 0.5 b 2.3 -0.10 0.5 +0.05 -0.04 +0.08 (5) -0.01 0.9 +0.20 b 1) all metal surfaces tin plated, except area of cut. for further information on alternativ e packages, please vi sit our website: http://www.infineon.com/packages . dimensions in mm
tle7272-2 revision history data sheet 20 rev. 1.0, 2009-06-01 7 revision history revision date changes 1.0 2009-06-01 initial version data sheet
edition 2009-06-01 published by infineon technologies ag 81726 munich, germany ? 2009 infineon technologies ag all rights reserved. legal disclaimer the information given in this docu ment shall in no event be regarded as a guarantee of conditions or characteristics. with respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, infine on technologies hereby disclaims any and all warranties and liabilities of any kind, including witho ut limitation, warranties of non-infrin gement of intellectua l property rights of any third party. information for further information on technology, delivery terms and conditions and prices, please contact the nearest infineon technologies office ( www.infineon.com ). warnings due to technical requirements, components may contain dangerous substances. for information on the types in question, please contact the nearest infineon technologies office. infineon technologies compon ents may be used in life-su pport devices or systems only with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safe ty or effectiveness of that de vice or system. life support devices or systems are intended to be implanted in the hu man body or to support an d/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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