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TLE42644 low dropout fixed voltage regulator data sheet, rev. 1.01, september 2009 automotive power
pg-sot223-4 type package marking TLE42644g pg-sot223-4 42644 data sheet 2 rev. 1.01, 2009-09-30 low dropout fixed voltage regulator TLE42644g 1overview features ? output voltage 5 v 2 % up to output currents of 50 ma ? output voltage 5 v 3 % up to output currents of 100 ma ? very low dropout voltage ? very low current consumption: typ. 40 a ? output current limitation ? reverse polarity protection ? overtemperature shutdown ? wide temperature range from -40 c up to 150 c ? suitable for use in automotive electronics ? green product (rohs compliant) ? aec qualified description the TLE42644 is a monolithic integrated low dropout fixed vo ltage regulator for load currents up to 100 ma. it is the 1-to-1 replacement product for the tle4264-2. it is functional compatible to th e tle4264, but has a reduced quiescent current of typ. 40a. the TLE42644 is especi ally designed for applications requiring very low standby currents, e.g. with a permanent connection to the car?s battery. the device is available in the small surface mounted pg-sot223-4 package and is pin compatible to the tle4264-2 and the tle4264. the device is designed for the harsh environment of automotive applicati ons. therefore it is protected against overload, short circuit and overtemperature conditions by the implemented output current limitation and the overtemperature shutdown circuit. the tle4264 4 can be also used in all other applicat ions requiring a stabilized 5 v voltage. an input voltage up to 45 v is regulated to v q,nom = 5 v with a precision of 3 %. an accuracy of 2 % is kept for load currents up to 50 ma.
data sheet 3 rev. 1.01, 2009-09-30 TLE42644 block diagram 2 block diagram figure 1 block diagram saturation control and protection temperature sensor adjustment bandgap reference q gnd input gnd output aeb02870 circuit amplifier control buffer
TLE42644 pin configuration data sheet 4 rev. 1.01, 2009-09-30 3 pin configuration 3.1 pin assignment pg-sot223-4 figure 2 pin configuration (top view) 3.2 pin definitions and functions pg-sot223-4 pin no. symbol function 1i input block to ground directly at the ic with a ceramic capacitor 2gnd ground 3q 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 5 4 / heat slug gnd ground / heat slug internally connected to leadframe and gnd; connect to gnd and heatsink area aep02868 123 4 gnd q gnd
data sheet 5 rev. 1.01, 2009-09-30 TLE42644 general product characteristics 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 -30 45 v ? output q 4.1.2 voltage v q -0.3 32 v ? temperature 4.1.3 junction temperature t j -40 150 c? 4.1.4 storage temperature t stg -50 150 c? esd susceptibility 4.1.5 esd absorption v esd,hbm -3 3 kv human body model (hbm) 2) 2) esd susceptibility human body model ?h bm? according to aec-q100-002 - jesd22-a114 4.1.6 v esd,cdm -1500 1500 v charge device model (cdm) 3) at all pins 3) esd susceptibility charged device model ?cdm? according to esda stm5.3.1 pos. parameter symbol limit values unit remarks min. max. 4.2.1 input voltage v i 5.5 40 v ? 4.2.2 output capacitor?s requirements for stability c q 10 ? f ? 4.2.3 esr(c q ) ?2 ? 1) 1) relevant esr value at f =10khz 4.2.4 junction temperature t j -40 150 c?
TLE42644 general product characteristics data sheet 6 rev. 1.01, 2009-09-30 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. TLE42644g (pg-sot223-4) 4.3.1 junction to case 1) 1) not subject to production test, specified by design. r thjc ? 17 ? k/w measured to heat slug 4.3.2 junction to ambient 1) r thja ?54?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 ? 139 ? 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 ? 73 ? k/w 300 mm2 heatsink area 3) 4.3.5 ? 64 ? k/w 600 mm2 heatsink area 3)
data sheet 7 rev. 1.01, 2009-09-30 TLE42644 electrical characteristics 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 5 ma < i q <50ma 6v< v i <16v 5.1.2 4.85 5.0 5.15 v 5 ma < i q <100 ma 6v< v i <21v 5.1.3 output voltage at low output currents v q 4.80 5.0 5.20 v 100 a < i q <5 ma 6v< v i <21v 5.1.4 dropout voltage v dr ?220500mv i q =100ma v dr = v i ? v q 1) 5.1.5 load regulation ? v q, lo ? 5090mv i q = 1 ma to 100 ma v i =13.5v 5.1.6 line regulation ? v q, li ?530mv v l = 6 v to 28 v i q =1ma 5.1.7 output current limitation i q 150 200 500 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. 5.1.8 power supply ripple rejection 2) 2) not subject to production test, specified by design psrr ?68?db f r =100hz; v r =0.5vpp 5.1.9 overtemperature shutdown threshold 2) t j,sd 151 ? 200 c t j increasing 5.1.10 overtemper ature shutdown threshold hysteresis 2) t j,sdh ?25?c t j decreasing current consumption 5.1.11 quiescent current i q = i i ? i q i q ?4060 a i q =100a , t j <85c 5.1.12 ? 40 70 a i q =100a 5.1.13 current consumption i q = i i ? i q i q ?1.74ma i q =50ma
TLE42644 electrical characteristics data sheet 8 rev. 1.01, 2009-09-30 5.2 typical performance characteristics voltage regulator current consumption i q versus output current i q current consumption i q versus low output current i q output voltage variation ? v q versus junction temperature t j dropout voltage v dr versus output current i q aed03342.vsd 0 i q 20 40 60 80 100 120 ma 160 0 1 2 3 4 5 6 7 8 ma i q aed03341.vsd 0 i q 2 4 6 8 10 12 ma 16 0 50 100 150 200 250 300 350 400 a i q aed03344.vsd -40 t j 0 40 80 c 160 v v q i q = 5 ma 4.90 4.95 5.00 5.05 5.10 5.15 aed03343.vsd 0 i q 20 40 60 80 100 120 ma 160 0 50 100 150 200 250 300 350 400 mv v dr t j = 125c t j = 25c t j = -40c
data sheet 9 rev. 1.01, 2009-09-30 TLE42644 electrical characteristics output voltage v q versus input voltage v i maximum output current i q versus input voltage v i region of stability: output capacitor?s esr esr(c q ) versus output current i q aed03345.vsd 0 v i v q 246810 0 2 4 6 8 10 v v r l = 50 ? aed033 46 .vsd 0 50 100 150 200 250 300 350 400 450 0 10203040 v i [v] i q,max [ma] t j = -40 c t j = 25 c t j = 150 c aed03347.vsd 0,01 0,1 1 10 0 20406080100 i q [ma] esr(c q ) [ ? ] c q = 10 f v i = 13.5 v stable region unstable region
TLE42644 package outlines data sheet 10 rev. 1.01, 2009-09-30 6 package outlines figure 3 pg-sot223-4 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). sot223-po v04 12 3 3 4 ?.1 0.04 0.5 min. 0.28 0.1 max. 6.5 ?.2 a 4.6 2.3 0.7 ?.1 0.25 m a 1.6 ?.1 7 ?.3 b 0.25 m ?.2 3.5 b 0...10? for further information on alternativ e packages, please vi sit our website: http://www.infineon.com/packages . dimensions in mm
data sheet 11 rev. 1.01, 2009-09-30 TLE42644 revision history 7 revision history revision date changes 1.0 2009-06-26 initial version data sheet 1.01 2009-09-30 updated version data sheet; typing error corrected in table 4.1 ?absolute maximum ratings? on page 5 : in item 4.1.1 min. value corrected from ?-42v? to ?-30v?
edition 2009-09-30 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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