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type package marking tle 4285 g pg-sct-595-5 b1 5-v voltage regulator tle 4285 g pg-sct-595-5 data sheet 1 rev. 2.2, 2008-04-21 features ? 15 ma current capability low quiescent current consumption power fail output wide operation range: up to 45 v wide temperature range: -40 c to 150 c output protected against short circuit overtemperature protection very small smd-package pg-sct-595-5 green product (rohs compliant) aec qualified functional description the tle 4285 g is a 5-v fixed voltage regulat or in a very small smd package pg-sct-595-5. the maximum input voltage is 45 v. the output is abl e to drive an output current of more than 10 ma while it regulates the output voltage within a 4% accuracy. the power fail output (open coll ector) is switched to low in case of under-v oltage at the output pin. to reduce external components the power fail ou tput has an internal pull-up resistor of 50 k ? which is connected to the output q. the device incorporates a temperature pr otection that dis ables the circuit at overtemperature.
data sheet 2 rev. 2.2, 2008-04-21 tle 4285 g figure 1 pin configuration (top view) table 1 pin definitions and functions pin no. symbol function 1pf power fail; l for under-voltage; in ternally connected to q via 50 k ? pull-up resistor 2gnd ground; internally connected to pin 5 3i input voltage 4q output voltage; must be blocked by a capacitor c q 1 f, esr 10 ? to gnd 5gnd ground; internally connected to pin 2 aep02279 2 3 1 4 5 pf gnd gnd q pg-sct-595-5
tle 4285 g data sheet 3 rev. 2.2, 2008-04-21 functional block diagram figure 2 block diagram aeb02186 34 protection regulator control 1 reference power fail 2, 5 q pf gnd
data sheet 4 rev. 2.2, 2008-04-21 tle 4285 g note: maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit. table 2 absolute maximum ratings -40 c < t j < 150 c parameter symbol limit values unit remarks min. max. input voltage v i -0.3 45 v ? current i i -20 * ma * internally limited output voltage v q -0.3 16 v ? current i q -20 * ma * internally limited power fail voltage v pf -0.3 45 v ? current i pf -500 * a * internally limited temperatures junction temperature t j -40 150 c? storage temperature t stg -50 150 c? thermal resistances junction pin r thj-pin ? 30 k/w measured to pin 5 junction ambient r thj-a ?55k/w 1) 1) package mounted on pcb 40 40 1.5 mm 3 /6 cm 2 cu. table 3 operating range parameter symbol limit values unit remarks min. max. input voltage v i 642v? output current i q 15 ? ma ? junction temperature t j -40 150 c?
tle 4285 g data sheet 5 rev. 2.2, 2008-04-21 table 4 electrical characteristics 6.2 v < v i < 36 v; -40 c < t j < 150 c; unless otherwise specified parameter symbol limit values unit test condition min. typ. max. output output voltage v q 4.85 5.0 5.15 v t j = 25 c; 1 ma < i q < 10 ma output voltage v q 4.8 5.0 5.20 v 1 ma < i q < 10 ma drop voltage v dr 0.6 0.8 1.1 v i q = 10 ma 1) output capacitor c q 1?? f esr 10 ? at 10 khz output current i q 15 ? 70 ma ? current consumption quiescent current i q ?100150 a i q < 10 ma; v i = 13.5 v regulator performance load regulation ? v q ?510mv0 ma < i q <10 ma; v i = 6 v; t j 85 c line regulation ? v q ?510mv i q = 5 ma; t j 85 c power supply ripple rejection psrr ?60?db f r = 100 hz; v r = 0.5 vpp power fail output power fail switching threshold ? v q ? v q,nom - 50 ?mv v pf < 1 v power fail low voltage v pf, low ? 0.15 0.3 v i pf = 0.1 ma; v q = 4.5 v power fail leakage current i pflk ??10 a r ext = 47 k ? power fail pull-up r pf 30 50 70 k ? internally connected to v q 1) measured when the output voltage v q has dropped 100 mv from the nominal value.
data sheet 6 rev. 2.2, 2008-04-21 tle 4285 g figure 3 application circuit tle 4285g gnd 2, 5 1 4 3 q pf 100 nf power fail 5 v 6...40 v c c q 1 f aes02187
data sheet 7 rev. 2.2, 2008-04-21 tle 4285 g typical performance characteristics output voltage v q versus temperature t j output voltage v q versus output current i q 4.80 -40 0 5.00 4.90 40 t j 80 120 160 c 5.10 q v v aed02191 = 5 ma q 4.85 4.95 5.05 aed02192 q 40 v 6 0 0 ma 1 2 3 4 5 20 10 30 t j = 130 c 25 c -40 c v q
data sheet 8 rev. 2.2, 2008-04-21 tle 4285 g output voltage v q versus input voltage v i current consumption i q versus output current i q drop voltage v dr versus output current i q 0 0 aed02748 v q 2 4 v 6 1 3 5 j t = 25 ?c i v v 12 3 4 5 6 0 0 aed02750 i q 5 10 15 25 40 80 a 120 20 ma 20 60 100 i v = 13.5 v i q 25 ?c t = j 600 0 0 200 400 10 7.5 5 2.5 800 mv 1000 1200 ma 15 q aed02193 v dr t j = -40 ?c 130 ?c 25 ?c
data sheet 9 rev. 2.2, 2008-04-21 tle 4285 g current consumption i q versus input voltage v i power fail low voltage v pf versus power fail current i pf 0 0 aed02749 i q 200 400 a 600 v 100 300 500 q i = 2 ma v i 25 ?c t = j 10 20 30 40 0 50 100 200 100 150 200 250 300 a 300 pf v mv aed02188 50 150 250 pf j t = 150 ?c 25 ?c -40 ?c
data sheet 10 rev. 2.2, 2008-04-21 tle 4285 g package outlines figure 4 outline pg-sct-595-5 green product (rohs compliant) to meet the world-wi de customer requirements for envi ronmentally friendly products and to be compliant with government regula tions the device is available as a green product. green products are ro hs-compliant (i.e pb-free fi nish on leads and suitable for pb-free soldering according to ipc/jedec j-std-020). gpw05997 1.1 max. 0.1 max. (2.2) (0.3) (1.45) (0.4) 1) (0.23) 1) (0.13) 1) contour of slot depends on profile of gull-wing lead form 1.2 -0.05 +0.1 0.2 2.9 b 0.3 -0.05 +0.1 +0.1 0.6 -0.05 0.95 1.9 b m 0.25 0.1 10? max. a 1.6 10? max. 0.1 0.25 0.1 2.5 0.15 -0.06 +0.1 0.2 m a 3 4 5 2 1 you can find all of our packages, sorts of packing and others in our infineon internet page ?products?: http://www.infineon.com/packages . dimensions in mm smd = surface mounted device
tle 4285 g data sheet 11 rev. 2.2, 2008-04-21 revision history version date changes rev. 2.2 2008-04-21 initial version of rohs-compliant derivate of tle 4285 g page 1 : aec certified statement added. page 1 and page 10 : rohs compliance statement and green product feature added. page 1 and page 10 : package changed to rohs compliant version. page 1 : marking information added. page 1 : adapted description to values given on page 5 . not a change of electric al characteristics. legal disclaimer updated. rev. 2.1 2004-01-01 final datasheet
edition 2008-04-21 published by infineon technologies ag 81726 munich, germany ? 2008 infineon technologies ag all rights reserved. legal disclaimer the information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. with respect to any examples or hints given herein, any typical valu es stated herein and/or any information regarding the application of the device, infineon technologies her eby disclaims any and all warranties and liabilities of any kind, including wi thout limitation, warranties of non-infrin gement of intellectual property rights of any third party. information for further information on technology, delivery terms an d 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 near est infineon technologies office. infineon technologies components may be used in life-supp ort 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 device or system. life support devices or systems are intended to be implanted in the hu man body or to support and/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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