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1 rev.1.1 elm85xxxxa cmos 600ma/800ma ldo voltage regulator general description elm85xxxxa is cmos voltage regulator which is characterized with high current and low dropout (55mv at iout=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 5.0v by 0.1v step. this series also includes short circuit current limiter and thermal shutdown circuit. ceramic capacitors with low esr can be used as input and output ones. features ? output voltage range ? output current ? current consumption ? input stability ? load stability ? accuracy of output voltage ? input-output voltage difference ? short circuit current limiter ? package application ? battery operated devices ? portable av equipments : 0.8v to 5.0v (by 0.1v) : 600ma(vout<3.0v) 800ma(vout3.0v) : typ.40a : typ.0.02%/v : typ.20mv(1maiout300ma) : 2.0% : typ.55mv(vout=3.0v, iout=100ma) : typ.70ma(vout=0v) : sot-223(0.8v 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) (0.8v to 1.1v, 4.1v to 5.0v are available in sot-223 package only.) 13 - maximum absolute ratings parameter symbol limit unit input voltage vin vss-0.3 to 7.0 v output voltage v out vss-0.3 to vin+0.3 v output current i out 1000 ma power dissipation pd 500 (sot-89) mw 500 (sot-89-5) 500 (son8-3x3) 625 (sot-223) thermal resistance junction toambient rja 48(son8-3x3) c/w 160 (sot-223 ) 200 (sot-89) 200 (sot-89-5) operating temperature top -40 to +85 c storage temperature tstg -55 to +125 c
2 rev.1.1 elm85xxxxa cmos 600ma/800ma ldo voltage regulator 13 - selection guide elm85xxxxa-x symbol a, b output voltage e.g. : 30: vout=3.0v 33: vout=3.3v 50: vout=5.0v c ce selection 1: no ce 3: ce= h active d package a: sot-89, sot-89-5 g: son8-3x3 h: sot-223 e product version a f taping direction s: sot-223, sot-89, sot-89-5, son8-3x3 n: sot-89, sot-89-5, son8-3x3 refer to pkg file elm85 x x x x a - x a b c d e f pin con?guration sot-223(top view) pin no. pin name 1 vss 2/tab vin 3 vout 1 2 3 t a b elm85xx1ha sot-89(top view) pin no. pin name 1 vss 2 vin 3 vout 1 2 3 elm85xx1aa sot-89-5(top view) pin no. pin name 1 vss 2 vin 3 vout 4 nc 5 ce 1 2 3 5 4 elm85xx3aa son8-3x3(top view) pin no. pin name pin no. pin name 1 vout 5 nc 2 vout 6 ce 3 vin 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 ) * son8-3x3(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).
3 rev.1.1 electrical characteristics (elm85xx1xa) ci=1.0f, co=4.7f, top=25c parameter symbol condition min. typ. max. unit output voltage vout vin=4.0v, iout=40ma 2.940 3.000 3.060 v output current iout vin=4.0v 800 ma input stability vout/vin 3.5vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=4.0v, 1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 55 90 mv current consumption iss vin=4.0v 40 100 a input voltage vin 1.4 6.0 v output voltage temperature coef?cient vout/top -40ctop+85c, vin=4.0v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms vout=3.0v(elm85301xa), no ce pin 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 13 - 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 elm85xxxxa cmos 600ma/800ma ldo voltage regulator
4 rev.1.1 ci=1.0f, co=4.7f, top=25c vout=5.0v(elm85501ha), no ce pin parameter symbol condition min. typ. max. unit output voltage vout vin=6.0v, iout=40ma 4.900 5.000 5.100 v output current iout vin=6.0v 800 ma input stability vout/vin 5.5vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=6.0v, 1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 52 85 mv current consumption iss vin=6.0v 40 100 a input voltage vin 1.4 6.0 v output voltage temperature coef?cient vout/top -40ctop+85c, vin=6.0v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms * elm8550 is only available in sot-223 package . ci=1.0f, co=4.7f, top=25c vout=3.3v(elm85331xa), no ce pin parameter symbol condition min. typ. max. unit output voltage vout vin=4.3v, iout=40ma 3.234 3.300 3.366 v output current iout vin=4.3v 800 ma input stability vout/vin 3.8vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=4.3v, 1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 55 90 mv current consumption iss vin=4.3v 40 100 a input voltage vin 1.4 6.0 v output voltage temperature coef?cient vout/top -40ctop+85c, vin=4.3v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
5 rev.1.1 ci=1.0f, co=4.7f, top=25 c parameter symbol condition min. typ. max. unit output voltage vout vin=4.0v, iout=40ma 2.940 3.000 3.060 v output current iout vin=4.0v 800 ma input stability vout/vin 3.5vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=4.0v,1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 55 90 mv current consumption iss vin=4.0v 40 100 a standby current consumption istandby vin=4.0v, vce=0v 0.5 a input voltage vin 1.4 6.0 v ce input voltage high vceh vin=6.0v 1.8 vin v ce input voltage low vcel vin=1.4v 0.0 0.2 v ce input current high iceh vce=vin=6.0v -0.2 0.2 a ce input current low icel vce=vss, vin=6.0v -0.2 0.2 a output voltage temperature coef?cient vout/top -40ctop+85c, vin=4.0v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms vout=3.0v(elm85303aa), ce= h active ci=1.0f, co=4.7f, top=25 c vout=3.3v(elm85333aa), ce= h active parameter symbol condition min. typ. max. unit output voltage vout vin=4.3v, iout=40ma 3.234 3.300 3.366 v output current iout vin=4.3v 800 ma input stability vout/vin 3.8vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=4.3v,1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 55 90 mv current consumption iss vin=4.3v 40 100 a standby current consumption istandby vin=4.3v, vce=0v 0.5 a input voltage vin 1.4 6.0 v ce input voltage high vceh vin=6.0v 1.8 vin v ce input voltage low vcel vin=1.4v 0.0 0.2 v ce input current high iceh vce=vin=6.0v -0.2 0.2 a ce input current low icel vce=vss, vin=6.0v -0.2 0.2 a output voltage temperature coef?cient vout/top -40ctop+85c, vin=4.3v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms electrical characteristics (elm85xx3aa) 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
6 rev.1.1 marking ? sot-223 package : elm85xx1ha t a b e 5 8 m l a c 1 b e f d 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 excepted) and 0 to 9 sot-223 ci=1.0f, co=4.7f, top=25 c vout=3.3v(elm85333ga), ce= h active electrical characteristics (elm8533xga) parameter symbol condition min. typ. max. unit output voltage vout vin=4.3v, iout=40ma 3.234 3.300 3.366 v output current iout vin=4.3v 800 ma input stability vout/vin 3.8vvin6.0v, iout=100ma 0.02 0.20 %/v load stability vout/iout vin=4.3v,1maiout300ma 20 60 mv input-output voltage differential vdif iout=100ma 55 90 mv current consumption iss vin=4.3v 40 100 a standby current consumption istandby vin=4.3v, vce=0v 0.5 a input voltage vin 1.4 6.0 v ce input voltage high vceh vin=6.0v 1.8 vin v ce input voltage low vcel vin=1.4v 0.0 0.2 v ce input current high iceh vce=vin=6.0v -0.2 0.2 a ce input current low icel vce=vss, vin=6.0v -0.2 0.2 a output voltage temperature coef?cient vout/top -40ctop+85c, vin=4.3v, iout=40ma 100 ppm/c short circuit current ilim vout=0v 70 ma ripple rejection ratio rr f=1khz, iout=40ma 60 db thermal shutdown temperature tsd 165 c output noise vno bw=10hz to 100khz 30 vrms 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
7 rev.1.1 13 - ? son8-3x3 package : elm85xx3ga with ce e l m 8 5 a b 3 g a c d e a, b : output voltage. e.g. : 33(v out =3.3v) c to e : assembly lot no. 000 to 999 son8-3x3 ? sot-89 package : elm85xx1aa ? sot-89-5 package : elm85xx3aa with ce mark pkg ce voltage range 00 sot-89 no ce 0.8v to 3.0v 01 3.1v to 5.0v 02 sot-89-5 ce=high 0.8v to 3.0v 03 3.1v to 5.0v a, b : pkg, ce type & voltage range d : lot no. a to z (i, o, x excepted) and 0 to 9 c : speci?c voltage a b c d sop-89-5 a b c d mark voltage (v) 8 0.8 3.8 9 0.9 3.9 0 1.0 4.0 a 1.1 4.1 b 1.2 4.2 c 1.3 4.3 d 1.4 4.4 e 1.5 4.5 f 1.6 4.6 g 1.7 4.7 h 1.8 4.8 j 1.9 4.9 k 2.0 5.0 l 2.1 m 2.2 sop-89 mark voltage (v) n 2.3 p 2.4 q 2.5 r 2.6 s 2.7 t 2.8 u 2.9 v 3.0 1 3.1 2 3.2 3 3.3 4 3.4 5 3.5 6 3.6 7 3.7 elm85xxxxa cmos 600ma/800ma ldo voltage regulator
8 rev.1.1 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) 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
9 rev.1.1 0 40 80 120 160 200 240 4 4.5 5 5.5 6 output voltage(v) load transient response ci=co=4.7f time(s) vin=4.0v output voltage output current 100ma 10ma 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 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
10 rev.1.1 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) 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
11 rev.1.1 0 40 80 120 160 200 240 3.5 4 4.5 5 5.5 6 time( s) output voltage(v) load transient response ci=co=4.7 f vin=4.3v output voltage output current 100ma 10ma 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 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
12 rev.1.1 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 (elm85501ha) 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator
13 rev.1.1 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 13 - elm85xxxxa cmos 600ma/800ma ldo voltage regulator

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