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1 1 4 - http://www.elm-tech.com r ev.1. 4 elm85 x xxx a cmos 600ma/ 800ma ldo voltage regulator general description elm85xxxxa is cmos voltage regulator which is cha racterized with high current and low dropout (55mv at i out =100ma) . there are 2 types of ce selection of elm85 series: non-chip enable function and h active. the standard output voltages are 3 .0v, 3.3v , 5.0v . elm85 series can also be made as semi-custom ic within the range of 0.8v to 5.0 v by 0.1 v step . this series also includes short circuit current limiter and thermal shutdown circuit. ceramic capacitors with low es r can be used as input and output ones. f eatures ? output voltage range ? o utput current ? current consumption ? input stability ? load stability ? accuracy of output voltage ? input-output voltage difference ? short circuit current limiter ? pa ckage application ? battery operated devices ? portable av equipments : 0.8 v to 5.0v (by 0.1v) : 600 ma( vout<3.0v ) 800ma(vout3.0v) : typ. 40 a : typ.0. 0 2 % / v : typ.20mv (1mai out 300ma) : 2.0% : typ.55mv ( v out =3.0v, i out =100ma) : typ.70ma (v out =0v) : sot - 223( 0.8 v to 5.0v), son8-3x3(1.2v to 4.0v) sot-89( 1.2v to 4.0v) , sot-89-5 ( 1.2v to 4.0v) sot - 23 ( 1.2v to 4.0v) , sot - 2 5 ( 1.2v to 4.0v) (0.8v to 1.1v, 4.1v to 5.0v are available in sot-223 package only.) maximum absolute ratings parameter symbol limit unit input voltage v in v ss - 0.3 to 7.0 v output voltage v out v ss - 0.3 to v in + 0.3 v output current i out 10 00 ma power dissipation pd 5 00 (sot-89) mw 500 ( sot-89-5 ) 250 (sot-23) 300 (sot-25) 500 (son8-3x3) 625 (sot-223) operating temperature t op - 40 to + 8 5 c storage temperature tstg - 55 to + 1 25 c
2 1 4 - http://www.elm-tech.com r ev.1. 4 elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator selection guide elm 8 5 x xxx a - x symbol a, b output voltage e.g. : 30 : v out =3.0v, 3 3 : v out =3.3v 50 : v out =5.0v c ce selection 1: no ce 3: ce= h active d package a: sot-89, sot-89-5 b: sot-23, sot-25 g: son8-3x3 h : sot-223 e product version a f taping direction s: refer to p kg file (sot-223: s only) n : refer to p kg file elm85 x x x x a - x a b c d e f pin configuration sot - 223(top view) pin no. pin name 1 v ss 2/tab v in 3 vout elm85xx1ha sot - 89 (top view) pin no. pin name 1 v ss 2 v in 3 vout elm85xx1aa sot - 89-5 (top view) pin no. pin name 1 v ss 2 v in 3 vout 4 nc 5 ce elm85xx3aa pin no. pin name 1 v in 2 v ss 3 ce 4 nc 5 vout sot - 2 5 (top view) pin no. pin name 1 v ss 2 v out 3 v in sot - 23 (top view) elm85xx1ba elm85xx3ba 3 1 4 - http://www.elm-tech.com r ev.1. 4 so n 8- 3x3 (top view) pin no. pin name pin no. pin name 1 v out 5 nc 2 v out 6 ce 3 v in 7 nc 4 vin 8 vss 1 2 3 8 7 6 5 1 2 3 4 8 7 6 5 4 ( t o p v i e w ) ( b o t t o m v i e w ) * elm85xx3ga 1 2 3 8 7 6 5 1 2 3 4 8 7 6 5 4 ( t o p v i e w ) ( b o t t o m v i e w ) * so n 8- 3x3 (bottom view) * the potential of the tab on the back is the circuit one (vin). please set it to be open or connect to vin pin(recommended). block diagram v i n v r e f v s s + - p r o t e c t c i r c u i t v o u t p r o t e c t c i r c u i t v r e f v o u t v s s v i n - + c e c o n t r o l c i r c u i t elm85xx1xa elm85xx3xa standard circuit c o e l m 8 5 x x 1 x a v o u t v s s c i v o u t v i n v i n c i e l m 8 5 x x 3 x a c o n t r o l v o l t a g e c o v i n v s s v o u t v i n v o u t c e elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 4 1 4 - http://www.elm-tech.com r ev.1. 4 electrical charac teristics (elm85xx1xa) c i =1.0f, c o =4.7f, t op = 25 c parameter symbol condition min. typ. max. unit output voltage v out v in = 4.0 v, i out =40ma 2.940 3.000 3.060 v output current i out v in = 4.0v 8 00 ma input stability v out / v in 3 .5v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 4 .0v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out = 10 0ma 55 90 mv current consumption i ss v in = 4 .0v 40 100 a input voltage v in 1.4 6.0 v output voltage temperature coefficient v out / t op - 40 c t op +85c, v in = 4 .0v, i out =40ma 100 ppm/c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms v out =3.0v(elm85301xa), no ce pin elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator c i =1.0f, c o =4.7f, t op = 25 c v out =3.3v(elm85331xa), no ce pin parameter symbol condition min. typ. max. unit output voltage v out v in = 4. 3 v, i out =40ma 3.234 3.300 3.366 v output current i out v in = 4.3v 8 00 ma input stability v out / v in 3 .8v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 4 .3v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out =10 0ma 55 90 mv current consumption i ss v in = 4 .3v 40 100 a input voltage v in 1.4 6.0 v output voltage temperature coefficient v out / t op - 40 c t op +85 c , v in = 4 .3v, i out =40ma 100 ppm/ c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms 5 1 4 - http://www.elm-tech.com r ev.1. 4 c i =1.0f, c o =4.7f, t op = 25 c v out =5.0v(elm85501ha), no ce pin parameter symbol condition min. typ. max. unit output voltage v out v in = 6.0 v, i out =40ma 4.900 5 .000 5.100 v output current i out v in = 6 .0v 8 00 ma input stability v out / v in 5 .5v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 6 .0v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out =10 0ma 52 85 mv current consumption i ss v in = 6 .0v 40 100 a input voltage v in 1.4 6.0 v output voltage temperature coefficient v out / t op - 40 c t op +85c, v in = 6 .0v, i out =40ma 100 ppm/ c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms * elm8550 is only available in sot-223 package . elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator c i =1.0f, c o =4.7f, t op = 25 c parameter symbol condition min. typ. max. unit output voltage v out v in = 4.0 v, i out =40ma 2.940 3.000 3.060 v output current i out v in = 4.0v 8 00 ma input stability v out / v in 3 .5v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 4 .0v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out = 10 0ma 55 90 mv current consumption i ss v in = 4 .0v 40 100 a standby current consumption istandby v in = 4 .0v, v ce = 0v 0.5 a input voltage v in 1.4 6.0 v ce i nput voltage high v ceh v in = 6 .0v 1.8 v in v ce i nput voltage l ow v ce l v in = 1 .4v 0.0 0.2 v ce i nput current high i ceh v ce = v in = 6 .0v -0.2 0.2 a ce i nput current l ow i ce l v ce = v ss , v in = 6 .0v -0.2 0.2 a output voltage temperature coefficient v out / t op - 40 c t op +85 c , v in = 4 .0v, i out =40ma 100 ppm/ c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms v out =3.0v(elm85303aa), ce= h active electrical charac teristics (elm85xx3aa) 6 1 4 - http://www.elm-tech.com r ev.1. 4 c i =1.0f, c o =4.7f, t op = 25 c v out =3.3v(elm85333aa), ce = h active parameter symbol condition min. typ. max. unit output voltage v out v in = 4. 3 v, i out =40ma 3.234 3.300 3.366 v output current i out v in = 4.3v 8 00 ma input stability v out / v in 3 .8v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 4 .3v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out =10 0ma 55 90 mv current consumption i ss v in = 4 .3v 40 100 a standby current consumption istandby v in = 4 .3v, v ce = 0v 0.5 a input voltage v in 1.4 6.0 v ce i nput voltage high v ceh v in = 6 .0v 1.8 v in v ce i nput voltage l ow v ce l v in = 1 .4v 0.0 0.2 v ce i nput current high i ceh v ce = v in = 6 .0v -0.2 0.2 a ce i nput current l ow i ce l v ce = v ss , v in = 6 .0v -0.2 0.2 a output voltage temperature coefficient v out / t op - 40 c t op +85 c , v in = 4 .3v, i out =40ma 100 ppm/ c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator c i =1.0f, c o =4.7f, t op = 25 c v out =3.3v(elm85333ga), ce= h active electrical charac teristics (elm8533xga) parameter symbol condition min. typ. max. unit output voltage v out v in = 4. 3 v, i out =40ma 3.234 3.300 3.366 v output current i out v in = 4.3v 8 00 ma input stability v out / v in 3 .8v v in 6.0v, i out =100ma 0.02 0.20 % /v load stability v out / i out v in = 4 .3v, 1ma i out 300ma 20 60 mv input-output voltage differential v dif i out =10 0ma 55 90 mv current consumption i ss v in = 4 .3v 40 100 a standby current consumption istandby v in = 4 .3v, v ce = 0v 0.5 a input voltage v in 1.4 6.0 v ce i nput voltage high v ceh v in = 6 .0v 1.8 v in v ce i nput voltage l ow v ce l v in = 1 .4v 0.0 0.2 v ce i nput current high i ceh v ce = v in = 6 .0v -0.2 0.2 a ce i nput current l ow i ce l v ce = v ss , v in = 6 .0v -0.2 0.2 a output voltage temperature coefficient v out / t op - 40 c t op +85 c , v in = 4 .3v, i out =40ma 100 ppm/ c short circuit current i lim v out = 0v 7 0 ma ripple rejection ratio rr f=1khz , i out =40ma 60 db thermal shutdown temperature t sd 165 c output noise v no bw=10hz to 100khz 30 vrms 7 1 4 - http://www.elm-tech.com r ev.1. 4 marking elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator s ot - 89 s ot - 89 - 5 symbol output voltage range (v) package ce type 0 0 1.2~3.0 sot-89 no ce 0 1 3 .1~4.0 sot-89 no ce 0 2 1.2~3.0 sot-89-5 ce=high 0 3 3 .1~4.0 sot-89-5 ce=high 5 4 1.2~3.0 sot-23 no ce 5 5 3 .1~4.0 sot- 23 no ce 5y 1.2~3.0 sot-25 ce=high 5z 3 .1~4.0 sot-25 ce=high a, b : represents output voltage range , package type and ce type. s ot - 2 3 s ot - 2 5 symbol output voltage(v) 1 3 .1 2 3 .2 3 3 .3 4 3 .4 5 3 .5 6 3 .6 7 3 .7 8 3 .8 9 3 .9 0 4 .0 a b 1 .2 c 1 .3 d 1 .4 e 1 .5 c : represents output voltage. d : represents the assembly lot number 1~0, a~z repeated (i,o,x excepted) symbol output voltage(v) f 1 .6 g 1 .7 h 1 .8 j 1 .9 k 2 .0 l 2 .1 m 2 .2 n 2 .3 p 2 .4 q 2 .5 r 2 .6 s 2 .7 t 2 .8 u 2 .9 v 3 .0 8 1 4 - http://www.elm-tech.com r ev.1. 4 elm85 ab3ga cde a , b : output voltage. e.g. : 33(v out =3.3v) c to e : assembly lot no. 00 0 to 999 s o n 8-3x3 elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator a , b : output voltage. e.g. : 33(v out =3.3v) c : product version d to f : assembly lot no. a to z (i, o, x ex cepted) and 0 to 9 s o t -2 23 9 1 4 - http://www.elm-tech.com r ev.1. 4 1 2 3 4 5 6 2 2.2 2.4 2.6 2.8 3 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 3 3.5 4 4.5 5 5.5 6 2.94 2.95 2.96 2.97 2.98 2.99 3 3.01 3.02 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 0 200 400 600 800 1000 1200 0 0.5 1 1.5 2 2.5 3 3.5 iout(ma) vout(v) vin=3.3v vin=3.6v vin=5.0v vin=4.0v vout-iout top=25c vin=6.0v 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 iout(ma) vdiff(mv) vdiff-iout top=25c 2 3 4 5 6 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 vceh(v) vceh-vin top=25c vin(v) 2 3 4 5 6 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 vcel(v) vcel-vin top=25c vin(v) - ? 3.0v vout unit (elm8530xxa) elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 10 1 4 - http://www.elm-tech.com r ev.1. 4 0 20 40 60 80 100 120 140 160 180 2 2.5 3 3.5 4 4.5 5 5.5 6 time(s) input,output voltage(v) input transient response iout=100ma, tr=tf=5.0s, co=4.7f input voltage output voltage 0 1 2 3 4 5 6 0 4 8 12 16 20 24 28 32 36 40 44 48 52 10 1 10 2 10 3 10 4 10 5 0 10 20 30 40 50 60 70 ripple rejection(db) ripple rejection vin=4.0v, iout=40ma, co=4.7f frequency(hz) vin(v) iss( a) iss-vin top=25c 0 40 80 120 160 200 240 2.0 2 .5 3.0 3 .5 4.0 output voltage(v) load transient response ci=co=4.7 ? f time( ? s) vin=4.0v output voltage output current 100ma 10ma elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 11 1 4 - http://www.elm-tech.com r ev.1. 4 1 2 3 4 5 6 2.4 2.6 2.8 3 3.2 3.4 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 3 3.5 4 4.5 5 5.5 6 3.25 3.26 3.27 3.28 3.29 3.3 3.31 3.32 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 0 200 400 600 800 1000 1200 0 0.5 1 1.5 2 2.5 3 3.5 4 iout(ma) vout(v) vin=3.6v vin=3.8v vin=4.3v vin=5.0v vout-iout top=25c vin=6.0v 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 iout(ma) vdiff(mv) vdiff-iout top=25c 2 3 4 5 6 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 vceh(v) vceh-vin top=25c vin(v) 2 3 4 5 6 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 vcel(v) vcel-vin top=25c vin(v) ? 3.3v vout unit (elm8533xxa) elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 12 1 4 - http://www.elm-tech.com r ev.1. 4 0 20 40 60 80 100 120 140 160 180 2.5 3 3.5 4 4.5 5 5.5 6 time( s) input,output voltage(v) input transient response iout=100ma, tr=tf=5.0 s, co=4.7 f input voltage output voltage 0 1 2 3 4 5 6 0 4 8 12 16 20 24 28 32 36 40 44 48 52 vin(v) iss( a) iss-vin top=25c 10 1 10 2 10 3 10 4 10 5 0 10 20 30 40 50 60 70 frequency(hz) ripple rejection(db) ripple rejection vin=4.3v, iout=40ma, co=4.7 f 0 40 80 120 160 200 240 2 .5 3.0 3 .5 4.0 4 .5 5.0 time( ? s) output voltage(v) load transient response ci=co=4.7 ? f vin=4.3v output voltage output current 100ma 10ma elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 13 1 4 - http://www.elm-tech.com r ev.1. 4 4 5 6 4 4.5 5 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 5 5.5 6 4.97 4.98 4.99 5 5.01 5.02 5.03 5.04 5.05 5.06 5.07 vin(v) vout(v) iout=1ma iout=100ma iout=300ma vout-vin top=25c 0 200 400 600 800 1000 1200 1400 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 iout(ma) vout(v) vin=5.5v vin=6.0v vout-iout top=25c vin=5.3v 0 100 200 300 400 500 600 700 800 0 100 200 300 400 500 600 iout(ma) vdiff(mv) vdiff-iout top=25c ? 5.0v vout unit (el m85501ha) elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator 14 1 4 - http://www.elm-tech.com r ev.1. 4 0 40 80 120 160 200 240 4 4.5 5 5.5 6 6.5 time( s) output voltage(v) load transient response ci=co=4.7 f output voltage vin=6.0v output current 100ma 10ma 0 20 40 60 80 100 120 140 160 180 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 time( s) input,output voltage(v) input transient response iout=100ma, tr=tf=5.0 s, co=4.7 f input voltage output voltage 0 1 2 3 4 5 6 0 4 8 12 16 20 24 28 32 36 40 44 48 52 vin(v) iss( a) iss-vin top=25c 10 1 10 2 10 3 10 4 10 5 0 10 20 30 40 50 60 70 80 frequency(hz) ripple rejection(db) ripple rejection vin=6.0v, iout=40ma, co=4.7 f elm85 x xxx a cmos 600ma/ 8 00ma ldo voltage regulator |
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