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low dropout, negative output voltage regulator features low dropout voltage (typically 120mv at 50ma; 380mv at 100ma) for ?.0v output part tight output voltage tolerance ( 2%, max) low supply current (3.5 a, typ) factory-programmed output voltages of ?.1v to ?.0v in 100mv increments space-saving 3-pin sot-23a package typical applications cellular phones battery operated systems palmtops portable cameras general description the tc59 is a low dropout, negative output voltage regulator designed specifically for battery-operated sys- tems. its full cmos construction eliminates the wasted ground current typical of bipolar ldos. this reduced supply current significantly extends battery life, particularly when the tc59 is operated in dropout. other tc59 key features include low supply current (typically 3.0 a) and low dropout operation (typically 120mv at 50ma). factory-programmed output voltages of ?.1v to ?.0v in 100mv steps are available. the tc59 is packaged in a tiny 3-pin sot-23a package. tc59 pin configuration tc59-2 11/5/99 part code tc59 30 02 ecb xx tc59 50 02 ecb xx ordering information v ss v out 3-pin sot-23a* note: *3-pin sot-23a is equivalent to eiaj sc59 tc59 1 2 3 v in output voltage: ex: 50 = ?.0v; 30 = ?.0v max output tolerance: ex: 02 = 2%; 01 = 1% package/temperature ?0 c to 85 c 3-pin sot-23a package taping direction: tr = standard rt = reverse *other voltages are available. please contact microchip technology inc. for details. typical application v in 1 f 1 f v out v out tc59 1 2 3 v in v ss ?2001 microchip technology inc. ds21438a
2 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ?2001 microchip technology inc. ds21438a pin description pin number name description 1v out regulated voltage output 2v in supply voltage input 3v ss ground absolute maximum ratings* input voltage (v in ) .................................................... ?2v output current (i out ) .............................................200ma output voltage (v out ) .............. ? dd ?0.3v to v in + 0.3v power dissipation (pd) ..........................................150mw operating ambient temperature (t opr ) .. ?0 c to +85 c storage temperature (t stg ) .................. ?0 c to +125 c electrical characteristics: v in = v r ?1.0v; note 1; c l = 10 f; t a = +25 c, unless otherwise specified. symbol parameter test conditions min typ max unit v in supply voltage i out = 20ma ?0 v i dd supply current 3 7 a i out(max) maximum output current v in = ?.0v; v r = ?.0v, v out ?.5v 100 ma v in = ?.0v; v r = ?.0v, v out ?.6v 80 ma v in = ?.0v; v r = ?.0v, v out ?.7v 60 ma v out output voltage i out = 20ma 1.02 x v r 0.98 x v r v tc v out output voltage i out = 20ma 100 ppm/ c temperature coefficient ? v out / line regulation i out = 20ma; v r = ?.0v; ?.0 3 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ?2001 microchip technology inc. ds21438a typical characteristics curves 3.10 0 20 40 60 80 100 tc593002 ( 3v) 5 output voltage:v out (v) 0 output current: i out (ma) tc594002 ( 4v) output current: i out (ma) tc594002 ( 4v) 4.10 output voltage:v out (v) 0 0 output current: i out (ma) output voltage:v out (v) tc593002 ( 3v) 0 20 40 60 80 100 output current:i out (ma) output voltage:v out (v) tc595002 ( 5v) 5.10 5.05 5.00 4.95 4.90 4.85 4.80 tc595002 ( 5v) output voltage:v out (v) 4.05 4.00 3.95 3.90 3.85 3.80 0204060 80 100 output voltage:v out (v) output current: i out (ma) 3.05 3.00 2.95 2.90 2.85 2.80 0 1 2 3 4 5 6 0 50 100 150 200 250 4 3 2 1 0 50 100 150 200 250 1 2 3 4 50 100 150 200 250 t opr = 40 c 25 c 80 c t opr = 40 c 25 c 80 c t opr = 40 c 25 c v in = 4.0v v in = 5.0v v in = 6.0v v in = 6.0v v in = 5.0v v in = 4.0v t opr = 40 c 25 c 80 c t opr = 40 c 25 c 80 c t opr = 40 c 25 c 80 c output current:i out (ma) 1. output voltage vs. output current 80 c
4 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) output voltage:v out (v) tc594002 ( 4.0v) 5 6 7 8 9 10 input voltage:v in (v) output voltage:v out (v) tc595002 ( 5.0v) output voltage:v out (v) tc595002 ( 5.0v) input voltage:v in (v) output voltage:v out (v) input voltage:v in (v) 4.2 4.4 4.6 4.8 5.0 5.2 4.5 5.0 5.5 3.2 3.4 3.6 3.8 4.0 4.2 3.5 4.0 4.5 tc593002 ( 3.0v ) input voltage:v in (v) 2.2 2.4 2.6 2.8 3.0 3.2 4.85 4.90 4.95 5.00 5.05 5.10 4 5 6 7 8 9 input voltage:v in (v) output voltage:v out (v) tc594002 ( 4.0v) 3.85 3.90 3.95 4.00 4.05 4.10 10 3 4 5 6 7 8 input voltage:v in (v) output voltage:v out (v) tc593002 ( 3.0v) 2.85 2.90 2.95 3.00 3.05 3.10 9 10 2. output voltage vs. input voltage 20ma 40ma t opr = 25 c t opr = 25 c t opr = 25 c t opr = 25 ct opr = 25 c 2.5 3.0 3.5 i out =1ma i out =1ma 20ma 40ma i out = 1ma 40ma 20ma i out =1ma 40ma 20ma i out =1ma 40ma 20ma i out =1ma 40ma 20ma
5 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) supply current:i ss ( a) tc593002 ( 3.0v) 020406080 100 output current:i out (ma) input/output voltage d iff .:v dif (v) tc594002 ( 4.0v) input/output voltage diff.:v dif (v) tc595002 ( 5.0v) output current:i out (ma) input/output voltage diff.:v dif (v) output current:i out (ma) 0 200 400 600 800 0 40 80 0 200 400 600 800 0 40 100 tc595002 ( 5.0v ) input voltage:v in (v) 0 1 2 3 4 5 0 200 400 600 800 5 6 7 8 9 supply current:i ss ( a) tc595002 ( 5.0v) 1.5 2.0 2.5 3.0 3.5 4.0 10 3. input/output voltage differential vs. output current 0 6 10 20 60 100 t opr =25 c 80 c 40 c 20 80 60 t opr =25 c 80 c 40 c t opr =25 c 80 c 40 c 4. supply current vs. input voltage 2 4 8 t opr =25 c 80 c 40 c 1.0 input voltage:v in (v) t opr =25 c 80 c 40 c
6 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) 0 2 4 6 8 10 input voltage:v in (v) supply current:i ss ( a) tc594002 ( 4.0v) 0 2 4 6 8 10 input voltage:v in (v) supply current: i ss ( a) 40 20 0 20 40 60 ambient temp: t opr ( c) output voltage: v out (v) tc595002 ( 5.0v) 80 input voltage:v in (v) supply current: i ss ( a) tc593002 ( 3.0v) tc593002 ( 3.0v) 4. supply current vs. input voltage (continued) 0 1 2 3 4 5 4 5 6 7 8 9 input voltage:v in ( v) supply current :i ss ( a) tc594002 ( 4.0v) 10 40 20 0 20 40 60 ambient temp: t opr ( c) output voltage: v out (v) tc594002 ( 4.0v) 80 t opr =25 c 80 c 40 c 4.0 3.5 3.0 2.5 2.0 1.5 1.0 t opr =25 c 80 c 40 c 4.0 1.0 1.5 2.0 2.5 3.0 3.5 3 4 5 6 7 8 9 10 t opr = 25 c 80 c 40 c 0 1 2 3 4 5 t opr = 25 c 80 c 40 c 4.85 4.90 4.95 5.00 5.05 5.10 v in = 6.0v v in = 4.0v 3.85 3.90 3.95 4.00 4.05 4.10 40ma i out = 1ma 20ma 20ma i out = 1ma 40ma 5. output voltage vs. ambient temperature
7 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) 40 20 0 20 40 60 ambient temp: t opr ( c) 3.10 3.05 3.00 2.95 2.90 2.85 output voltag: v out (v) tc593002 ( 3.0v) 80 40 20 0 20 40 60 ambient temp: t opr ( c) 5 4 3 2 1 0 supply current: i ss ( a) 80 40 20 0 20 40 60 ambient temp: t opr ( c) 5 4 3 2 1 0 supply current :i ss ( a) tc593002 ( 3.0v) 80 40 20 0 20 40 60 ambient temp: t opr ( c) 5 4 3 2 1 0 supply current: ss ( a) tc594002 ( 4.0v) 80 i out =1ma 40ma v in = 10v 6v v in = 10v 5v tc595002 ( 5.0v) v in = 10v 4v 5. output voltage vs. ambient temperature (continued) 20ma 6. supply current vs. ambient temperature
8 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) input voltage v in (v) tc595002 ( 5.0v) time (2 msec/div) input voltage v in (v) tc595002 ( 5.0v) input voltage v in (v) output voltage v out (v) output voltage v out (v) tc595002 ( 5.0v) time (2 msec/div) input voltage v in (v) time (2 msec/div) 0 2 4 6 output voltage v out (v) 0 2 4 6 output voltage v out (v) 0 2 4 6 output voltage v out (v) 0 2 4 0 2 4 0 4 8 tc594002 ( 4.0v ) 0 4 8 input voltage v in (v) tc594002 ( 4.0v) 7. input transient response 2 4 6 8 6 2 i out =100ma c in , c l =1 f t opr =25 c i out =1ma c in , c l =1 f t opr =25 c i out =50ma c in , c l =1 f t opr =25 c i out =1ma c in , c l =1 f t opr =25 c i out =50ma c in , c l =1 f t opr =25 c 6 2 0 time (2 msec/div) time (2 msec/div) 0 6 8 4 2 0 6 8 4 2 input voltage output voltage input voltage input voltage input voltage input voltage output voltage output voltage output voltage output voltage
9 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a input voltage v in (v) tc593002 ( 3.0v) input voltage v in (v) output voltage v out (v) tc594002 ( 4.0v) time (2 msec/div) input voltage v in (v) time (2 msec/div) 0 2 4 0 2 4 output voltage v out (v) 0 2 4 0 0 4 8 tc593002 ( 3.0v ) 7. input transient response (cont.) 2 4 6 8 i out = 1ma c in , c l = 1 f t opr = 25 c i out = 100ma c in , c l = 1 f t opr = 25 c i out = 100ma c in , c l =1 f t opr = 25 c 6 2 time (2 msec/div) 0 6 8 4 2 input voltage output voltage input voltage input voltage output voltage output voltage output voltage v out (v) 0 2 4 input voltage v in (v) tc593002 ( 3.0v) i out = 50ma c in , c l = 1 f t opr = 25 c time (2 msec/div) 0 6 8 4 2 input voltage output voltage 2 output voltage v out (v) typical characteristics curves (cont.)
10 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) 8. load transient response -6.0 output voltage v out (v) time (2msec/div) 10ma 1ma v in = 6.0v, c in , c l = 1 f, t opr = 25 ? tc595002 ( 5.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage output current -6.0 output voltage v out (v) time (2msec/div) 50ma 1ma v in = 6.0v, c in , c l = 1 f, t opr = 25 ? tc595002 ( 5.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage output current -6.0 output voltage v out (v) time (2msec/div) 100ma 1ma v in = 6.0v, c in , c l = 1 f, t opr = 25 ? tc595002 ( 5.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage output current -6.0 output voltage v out (v) time (2msec/div) 10ma 1ma v in = 5.0v, c in , c l = 1mf, t opr = 25 ? tc594002 ( 4.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage output current -6.0 output voltage v out (v) time (2msec/div) 50ma 1ma v in = 5.0v, c in , c l = 1mf, t opr = 25 ? tc594002 ( 5.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output current output voltage
11 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a typical characteristics curves (cont.) 8. load transient response (cont.) -6.0 output voltage v out (v) time (2msec/div) 1ma v in = 5.0v, c in , c l = 1 f, t opr = 25 ? tc594002 ( 4.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage 100ma output current -6.0 output voltage v out (v) time (2msec/div) 1ma v in = 4.0v, c in , c l = 1 f, t opr = 25 ? tc593002 ( 3.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage 10ma output current -6.0 output voltage v out (v) time (2msec/div) 1ma v in = 4.0v, c in , c l = 1 f, t opr = 25 ? tc593002 ( 3.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage 100ma output current -6.0 output voltage v out (v) time (2msec/div) 50ma 1ma v in = 4.0v, c in , c l = 1 f, t opr = 25 ? tc593002 ( 3.0v) output current i out (ma) -5.5 -5.0 -4.5 -4.0 -3.5 250 200 150 100 50 0 output voltage output current
12 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a 60 50 40 30 20 10 0 ripple rejection rate rr (db) ripple frequency (khz) v in = 6.0vdc + 1vp-pac, c l = 1 f i out = 20ma, t opr = 25 ? tc595002 ( 5.0v) 0.01 0.1 1 10 0.01 0.1 1 10 60 50 40 30 20 10 0 ripple rejection rate rr (db) ripple frequency (khz) v in = 6.0vdc + 1vp-pac, c l = 1 f i out = 20ma, t opr = 25 ? tc595002 ( 5.0v) 0.01 0.1 1 10 60 50 40 30 20 10 0 ripple rejection rate rr (db) ripple frequency (khz) v in = 6.0vdc + 1vp-pac, c l = 1 f i out = 20ma, t opr = 25 ? tc595002 ( 5.0v) typical characteristics curves (cont.) 9. ripple rejection rate
13 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a represents 1st integer of voltage symbol voltage 0 0. 1 1. 2 2. 3 3. 4 4. 5 5. 6 6. 7 7. 8 8. 9 9. represents 1st decimal of voltage symbol voltage symbol voltage a.0f.5 b.1h.6 c .2k.7 d.3l.8 e.4m.9 represents voltage polarity symbol polarity 5 represents assembly lot code markings 3-pin sot-23a 3
14 low dropout, negative output voltage regulator tc59 tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a package dimensions dimensions: inches (mm) taping forms w user direction of feed user direction of feed device marking component taping orientation for 3-pin sot-23a (eiaj sc-59) devices device marking pin 1 p pin 1 standard reel component orientation for tr suffix device (mark right side up) reverse reel component orientation for rt suffix device (mark upside down) package carrier width (w) pitch (p) part per full reel reel size 3-pin sot-23a 8 mm 4 mm 3000 7 in carrier tape, number of components per reel and reel size 3-pin sot-23a (eiaj sc-59) .071 (1.80) .055 (1.40) pin 1 .118 (3.00) .098 (2.50) .020 (0.50) .012 (0.30) .075 (1.90) ref. .122 (3.10) .106 (2.70) .051 (1.30) .035 (0.90) .006 (0.15) .000 (0.00) .022 (0.55) .014 (0.35) 10 max. .010 (0.25) .004 (0.09)
15 tc59 low dropout, negative output voltage regulator tc59-2 11/5/99 ? 2001 microchip technology inc. ds21438a information contained in this publication regarding device applications and the like is intended through suggestion only and ma y be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. no representation or warrant y is given and no liability is assumed by microchip technology incorporated with respect to the accuracy or use of such information, or infringement of patent s or other intellectual property rights arising from such use or otherwise. use of microchip ? s products as critical components in life support systems is not authorized except with express written approval by microchip. no licenses are conveyed, implicitly or otherwise, except as maybe explicitly expressed herein, under any intellec- tual property rights. the microchip logo and name are registered trademarks of microchip technology inc. in the u.s.a. and othe r countries. all rights reserved. all other trademarks mentioned herein are the property of their respective companies. all rights reserved. ? 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