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automotive power data sheet rev. 1.0, 2010-02-08 TLE42344G low dropout linear voltage regulator
pg-sot223-4 type package marking TLE42344G pg-sot223-4 42344 data sheet 2 rev. 1.0, 2010-02-08 low dropout linear volt age regulator TLE42344G 1overview features ? output voltage tolerance 2% ? low dropout voltage ? output current up to 100 ma ? very low current consumption ? overtemperature shutdown ? output current limitation ? suitable for use in automotive electronics ? reverse polarity protection ? green product (rohs compliant) ? aec qualified functional description TLE42344G is a 5 v low dropout fixed voltage regulator in an pg-sot223-4 package. the ic regulates an input voltage v i in the range 5.5 v < v i < 45 v to v qrated = 5.0 v. the maximum output current is more than 100 ma. this ic is protected against shortcircu it and overheat by the integrated output current limitation and the overtemperature shutdown dimensioning information on external components the input capacitor c i is necessary for compensating line influences. the output capacitor c q is necessary for the stability of the regu lating circuit. stability is guaranteed at values c q 10 f and an esr 10 ? within the operating temperature range. circuit description the control amplifier compares a reference voltage, which is kept highly precise by resistance adjustment, to a voltage that is proportional to the output voltage and driv es the base of the series tran sistor via a buffer. saturation control, working as a function of load current, prevents any over -saturation of the power element.
TLE42344G block diagram data sheet 3 rev. 1.0, 2010-02-08 2 block diagram figure 1 block diagram saturation control and protection temperature sensor adjustment bandgap reference 3 2,4 1 input gnd output aeb01527 circuit amplifier control buffer
data sheet 4 rev. 1.0, 2010-02-08 TLE42344G pin configuration 3 pin configuration 3.1 pin assignment figure 2 pin configuration 3.2 pin definitions and functions pin symbol function 1i input voltage; block to ground directly on ic with ceramic capacitor 2, 4 gnd ground 3q 5 v output voltage; block to ground with 10 f capacitor, esr 10 ? aep01526 123 4 gnd v q v i q
TLE42344G general product characteristics data sheet 5 rev. 1.0, 2010-02-08 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, positive current flowing into pin (unless otherwise specified) 1) not subject to production test, specified by design. pos. parameter symbol limit values unit conditions min. max. input 4.1.1 input voltage v i -30 45 v ? output 4.1.2 output voltage v q -1 32 v ? temperatures 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 resistivity to gnd v esd -4 4 kv hbm 2) 2) esd susceptibility, hbm acco rding to eia/jesd 22-a114b 4.1.6 esd resistivity to gnd v esd -1.5 1.5 kv cdm 3) 3) esd susceptibility, charged device model ?cdm? eia/jesd22-c101 or esda stm5.3.1 table 1 functional range pos. parameter symbol limit values unit conditions min. max. 4.2.1 input voltage v i 5.5 45 v 4.2.2 junction temperature t j -40 150 c?
data sheet 6 rev. 1.0, 2010-02-08 TLE42344G 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. 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)
TLE42344G electrical characteristics data sheet 7 rev. 1.0, 2010-02-08 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, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 5.1.1 output voltage v q 4.95.05.1v5ma i q 100 ma 6v v i 28 v 5.1.2 output current limitation i q 120 160 ? ma ? 5.1.3 current consumption i q = i i - i q i q ??400 a i q = 1 ma 5.1.4 current consumption i q = i i - i q i q ?915ma i q = 100 ma 5.1.5 drop voltage v dr ?0.250.5v i q = 100 ma 1) 1) drop voltage = v i - v q (measured where v q has dropped 100 mv from the nominal value obtained at v i = 13.5 v). 5.1.6 load regulation ? v q ??40mv i q = 5 to 100 ma v i = 6 v 5.1.7 line regulation ? v q ? 1530mv v i = 6 to 28 v i q = 5 ma 5.1.8 power supply ripple rejection psrr ?54?db f r = 100 hz v r = 0.5 vpp
data sheet 8 rev. 1.0, 2010-02-08 TLE42344G electrical characteristics 5.2 typical performance characteristics voltage regulator dropout voltage v dr versus output current i q current consumption i q versus input voltage v i current consumption i q versus output current i q current consumption i q versus output current i q dr v q 0 25 aed01978 100 200 300 400 500 600 mv 800 50 100 ma 175 75 125 = c 125 25 c = 700 j t j t 0 0 aed01979 r = q v l 50 ? 10 20 30 v 50 5 10 ma 15 ? 100 l = r 40 q 0 0 aed01980 ma 150 50 100 q 2 4 6 8 ma 12 v i = 13.5 v 10 q 0 0 aed01981 ma 30 10 20 q 0.5 1.0 1.5 2.0 ma 3.0 v i = 13.5 v 5 15 2.5
TLE42344G electrical characteristics data sheet 9 rev. 1.0, 2010-02-08 output voltage v q versus temperature t j output current i q versus input voltage v i output voltage v q versus input voltage v i 4.60 -40 aed01982 v q 04080 160 4.80 5.00 v 5.20 120 c 4.70 4.90 5.10 i v = 13.5 v j t 0 0 aed01983 = c 125 25 c = q v 10 20 30 40 50 50 100 150 200 ma v j t j t 0 0 aed01984 v q 24 6 10 2 4 v 6 8 1 3 5 l r =50 ? v v
data sheet 10 rev. 1.0, 2010-02-08 TLE42344G application information 6 application information note: the following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. (1) figure 3 application diagram note: this is a very simplified example of an application ci rcuit. the function must be verified in the real application. 6.1 further application information ? for further information you may contact http://www.infineon.com/ TLE42344G tle 42344g output 3 2,4 1 10 f input 5.5 to 45 v c i
TLE42344G package outlines data sheet 11 rev. 1.0, 2010-02-08 7 package outlines figure 4 pg-sot223-4 (plastic small outline transistor) 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 ?.2 ?.1 0.7 4 3 2 1 6.5 3 acc. to +0.2 din 6784 1.6 ?.1 15?max ?.04 0.28 7 ?.3 ?.2 3.5 0.5 0.1 max min b m 0.25 b a 2.3 4.6 a m 0.25 for further information on alternativ e packages, please vi sit our website: http://www.infineon.com/packages . dimensions in mm
data sheet 12 rev. 1.0, 2010-02-08 TLE42344G revision history 8 revision history revision date changes 1.0 2010-02-08 initial data sheet
edition 2010-02-08 published by infineon technologies ag 81726 munich, germany ? 2010 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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