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date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation general description the s p 1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5v at 1.5a of load current. the series features on-chip thermal shutdown. it also includes a bandgap reference and a current limiting circuit. the s p1086 is available in 1.5v, 1.8v, 2.5v, 3v, 3.3v, and 5.0v versions. the fixed versions integrate the adjust resistors. it is also available in an adjustable version, which can set the output voltage with only two exter nal resistors. the s p1086 series is available in standard packages of to-263-3, to-220 , and to-252. features g low dropout voltage: t ypical 1.3v at 1.5a g current limiting and thermal protection g output current: 1.5a g current limit: 2.3a g operating junction t emperature: 0 to 125 o c g line regulation: 0.015% (t ypical) g load regulation: 0.1% (typical) g a vailable in rohs compliant, lead free packaging applications g high efficiency linear regulators g battery charger g post regulation for switching supply g microprocessor supply g motherboard power supply g cable and adsl modem g dvd-v ideo player g t elecom equipment g set top boxes and w eb boxes modules' supply figure . package t ypes of sp086 to-220 to-252 to-263-3 to-220 input output adj/gnd 1 2 3 sp1086 solved by tm 1.5a low dropout linear regulator
2 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation pin configuration v package (to-220) v 1 package (to-263-3) output adj/gnd input input output adj/gnd 1 2 3 1 2 3 v 2 package (to-252) 1 2 3 adj/gnd output input figure 2. pin configuration of sp086 (t op view) functional block diagram figure . functional block diagram of s p086 thermal protection + - for adjustable output, disconnect a and a2, connect b input output adj/ gnd a a2 b for fixed output, connect a and a2, disconnect b 2
date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation (typical and limits apply for t j =25 o c unless otherwise noted.) parameter test circuit symbol conditions min typ max unit reference voltage 0.5% 4 v ref v ka =v ref, i ka =10ma 1.234 1.240 1.246 v 1% 1.228 1.240 1.252 deviation of reference voltage over-temperature 4 ' v ref v ka =v ref i ka =10ma 0 o c to 70 o c 2 10 mv -40 o c to 85 o c 3 10 ratio of change in v ref to the change in cathode voltage 5 ' v ref ' v ka i ka =10ma, ' v ka :v ref to 16v -0.5 -1.5 mv/v reference input current 5 i ref i ka =10ma, r1=10k : , r2= f 0.15 0.4 p a deviation of reference current over full temperature range 5 ' i ref i ka =10ma, r1=10k : , r2= f t a =-40 to 85 o c 0.1 0.4 p a minimum cathode current for regulation 4 i ka (min) v ka =v ref 55 80 p a off-state cathode current 6 i ka (off) v ref =0, v ka =18v 0.04 0.10 p a v ka =6, v ref =0 0.01 0.05 dynamic impedance 4 z ka v ka =v ref , i ka =1 to 100ma f d 1.0khz 0.05 0.15 : electrical characteristics
date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation 1.5a low dropout linear regula tor electrical characteristics parameter symbol conditions min t yp max unit reference voltage v ref sp1086-adj, i out = 10ma, v in -v out = 2v , t j = 25 o c, 10ma d i out d 1.5a, 1.4v d v in - v out d 6v 1.238 1.225 1.250 1.250 1.262 1.270 v output v oltage v out sp1086-1.5, i out =10ma, v in = 3.5v , t j = 25 o c, 10ma d i out d 1.5a, 3v d v in d 10v 1.485 1.47 1.5 1.5 1.515 1.53 v sp1086-1.8, i out = 10ma, v in = 3.8v , t j = 25 o c, 10ma d i out d 5a, 3.2v d v in d 10v 1.782 1.746 1.8 1.8 1.818 1.854 v sp1086-2.5, i out = 10ma, v in = 4.5v , t j = 25 o c, 10ma d i out d 1.5a, 3.9v d v in d 10v 2.475 2.45 2.5 2.5 2.525 2.55 v sp1086-3.0, i out = 10ma, v in = 4.5v , t j = 25 o c, 10ma d i out d 1.5a, 4.9v d v in d 10v 2.97 2.94 3.0 3.0 3.03 3.06 v sp1086-3.3, i out = 10ma, v in = 5v , t j = 25 o c, 10ma d i out d 1.5a, 4.75v d v in d 10v 3.267 3.235 3.3 3.3 3.333 3.365 v sp1086-5.0, i out = 10ma, v in = 7v , t j = 25 o c, 10ma d i out d 1.5a, 6.5v d v in d 10v 4.95 4.9 5 5 5.05 5.1 v line regulation ' v out sp1086-adj, i out = 10ma, 1.5v d v in - v out d 10v 0.015 0.035 0.2 0.2 % sp1086-1.5, i out = 10ma, 1.5v d v in - v out d 10v 0.3 0.6 6 6 mv sp1086-1.8, i out = 10ma, 1.5v d v in - v out d 10v 0.3 0.6 6 6 mv sp1086-2.5, i out = 10ma, 1.5v d v in - v out d 10v 0.3 0.6 6 6 mv sp1086-3.0, i out = 10ma, 1.5v d v in - v out d 10v 0.3 0.6 6 6 mv sp1086-3.3, i out = 10ma, 1.5v d v in - v out d 10v 0.5 1 10 10 mv sp1086-5.0, i out = 10ma, 1.5v d v in - v out d 10v 0.5 1 10 10 mv the entire junction temperature range for operation, 0 o c to 125 o c. (p d d maximum power dissipation, see note 2.) t ypicals and limits appearing in normal type apply for t j = 25 o c. limits appearing in boldface type apply over
5 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation electrical characteristics (continued) parameter symbol conditions min t yp max unit load regulation ' v out sp1086-adj, 10ma d i out d 1.5a, v in - v out = 2v 0.1 0.2 0.3 0.4 % sp1086-1.5, 10ma d i out d 1.5a, v in - v out = 2v 3 6 12 20 mv sp1086-1.8, 10ma d i out d 1.5a, v in - v out = 2v 3 6 12 20 mv sp1086-2.5, 10ma d i out d 1.5a, v in - v out = 2v 3 6 12 20 mv sp1086-3.0, 10ma d i out d 1.5a, v in - v out = 2v 3 7 15 20 mv sp1086-3.3, 10ma d i out d 1.5a, v in - v out = 2v 3 7 15 20 mv sp1086-5.0, 10ma d i out d 1.5a, v in - v out = 2v 5 10 20 35 mv dropout v oltage i o = 1.5a, ' v ref = 1% 1.3 1.5 v current limit i limit v in - v out = 2v , 1.5 2.3 a minimum load current 1.4v d v in - v out d 10v (for adj) 2 5 ma quiescent current v in = v out + 1.3v 5 10 ma ripple rejection f ripple = 120hz, c out = 25 p f t antalum, i out = 1.5a, v in - v out = 3v 60 75 db adjust pin current 60 120 p a adjust pin current change 10ma d i out d 5a, 1.4v d v in -v out d 10v 0.2 5 p a t emperature stability 0.5 % rms noise (% of v out ) t a = 25 o c, 10hz d f d 10khz 0.003 % thermal shutdown junction t emperature 165 o c thermal shutdown hysteresis 30 o c thermal resistance junction-to-case t jc to - 252 to - 263 to - 220 4 4 4 o c/w note 2: maximum power dissipation see figure 5.
6 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation t ypical performance characteristics figure . output v oltage vs. t emperature figure 5. maximum power dissipation figure 7. dropout v oltage vs. output current 25 50 75 00 25 0 .0 2.5 5.0 7.5 0.0 p o w e r ( w ) case temperature ( o c) 0. 0.2 0. 0. 0.5 0.6 0.7 0.8 0. .0 . .2 . . .5 0.5 0.6 0.7 0.8 0 . .0 .2 . . t a =25 o c t a =0 o c d r o p o u t v o l t a g e ( v ) output current (a) 0 25 50 75 00 25 .220 .225 .20 .25 .20 .250 .255 .260 r e f e r e n c e v o l t a g e ( v ) ambient temperature ( o c) figure 6. reference v oltage vs. t emperature 0 25 50 75 00 25 .0 .5 .20 .25 .0 .5 .0 o u t p u t v o l t a g e ( v ) ambient temperature ( o c) .2 5
7 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation figure . adjust pin current vs. t emperature figure 0. minimum load current vs. t emperature t ypical performance characteristics (continued) 0 25 50 75 00 25 0 0 20 0 0 50 60 70 80 0 00 a d j u s t p i n c u r r e n t ( u a ) ambient temperature ( o c) 0 25 50 75 00 25 0 2 5 m i n i m u m l o a d c u r r e n t ( m a ) ambient temperature ( o c) 0 00 k 0k 00k 2 0 0 0 50 60 70 80 r i p p l e r e j e c t i o n ( d b ) frequency (hz) figure . ripple rejection vs. frequency figure 8. short circuit current vs. t emperature 0 25 50 75 00 25 .00 .25 .50 .75 2.00 2.25 s h o r t c i r c u i t c u r r e n t ( a ) ambient temperature ( o c)
8 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation t ypical performance characteristics (continued) v out i o =0.75a i o =0.1a s p1086v load transient response v in =4.8v , v out =3.3v , i o =0.1a to 0.75a, c in =c out =10 p (tan) v in =4.8v , v out =3.3v , i o =0.1a, c in =1 p (tan), c out =10 p (tan) v out line transient response s p1086 v figure 2. load transient response figure . line t ransient response v out v in figure . t ypical applications of sp086 s p 1086-adj v in v out adj v in 10 p f tantalum 120 : r2 22 p f tantalum + + + + v in s p 1086-5.0 v in v out gnd 10 p f tantalum 22 p f tantalum v out v out r1 v out =v ref * (+r2/r) + i adj * r2 t ypical application
date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation p ackage:3 p in to-263 mechanical dimensions to-263-3 unit: mm(inch) 7 e e 7 e 8 . 6 0 ( 0 . 0 ) . 6 5 0 ( 0 . 8 0 ) 0.0(0.0) 0.50(0.020) 2.50(0.00) .50(0.05) .650(0.80) e .7 60(0 .58 ) 8.80(0.8) 2.60(0.0) 0.020(0.00) 8 e 2 e 0 e 6 e 0.80(0.05) 2 . 0 ( 0 . 0 ) 0.60(0.0) 2 .200 (0. 087 ) 7 0 e 0.20(0.05) . 070 (0. 60 ) .82 0 (0. 0) .0(0.055) .50(0.05) .0(0.055) 2.50(0.00) .270(0.050) .0(0.055) 2 . 6 0 ( 0 . 0 6 ) 5.7 0(0 .62 0) 0.250(0.00) 2.700(0.06) 0.00(0.06) 5 . 6 00 ( 0 . 2 20 ) 7.20(0.22) 7.80(0.) 2.50(0.00) 2.50(0.00)
0 date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation p ackage: 3 p in to-220 mechanical dimensions (continued) to-220 unit: mm(inch) ? .560(0.0) . 2 0 ( 0 . 5 6 0 ) .60(0.06) 0.8(0.02) 8 .76 (0 .5) 2.50(0.00) 0.56(0.0) 2.080(0.082) e 7 e .560(0.0) 7 e .660(0.80) 0.550(0.022) 60 e 0.8(0.05) 2 .5 8 0 (0 .02) 6 0 e 8 . 5 2 0 ( 0 . 5 ) ? .500(0.05) 0.200(0.008) . 8 5 0 ( 0 . 0 7 ) 2.50(0.00) 0.8(0.05) 0.06(0.06) .8 0(0 .) 0.660(0.20) .060(0.60) .50(0.05) 2 7 . 8 8 0 ( . 0 8 ) 0 . 2 8 0 ( . 2 ) . 5 2 0 ( 0 . 7 5 ) 6 . 5 0 ( 0 . 6 5 0 ) .820(0.0) 2.880(0.) .760(0.06)
date: 7/25/06 rev g sp086 . 5a low dropout linear regulator ? 2006 sipex corporation mechanical dimensions (continued) to-252 unit: mm(inch) e 7 e . 0 0 ( 0 . 0 5 5 ) 0.020(0.00) 0.60(0.08) 2.20(0.088) 0 . 65 0 ( 0 . 0 2 6 ) . 5 0 0 ( 0 . 7 ) 0.750(0.00) 0.60(0.025) 5.20(0.206) 6.80(0.25) 2 . 6 0 0 ( 0 . 0 2 ) 5 . 6 0 ( 0 . 2 ) 2.80(0.086) 0.600 ( 0 .0 2) 5 e 5 e 8 e 0.00(0.06) 0.50(0.020) 0.80(0.0) .080(0.0) h 5 e 6.680(0.26) 0.580(0.02) 2.80(0.0) 5.0(0.2) 0 . 5 0 ( 0 . 0 7 ) 0 . 0 0 ( 0 . 8 ) 2.0(0.02) 2.20(0.088) 2.0(0.02) 0.780(0.0) 0.850(0.0) . 7 6 0 ( 0 . 0 6 ) 5 . 5 6 0 ( 0 . 2 ) .20(0.052) 0.50(0.02) 0.20(0.005) . 0 0 0 ( 0 . 8 ) 2.0 e .0 e 2.0 e .0 e p ackage: 3 p in to-252
2 date: 7/25/06 rev g sp 086 . 5a low dropout linear regulator ? 2006 sipex corporation figure . adjust pin current vs. t emperature figure 0. minimum load current vs. t emperature t ypical performance characteristics (continued) 0 25 50 75 00 25 0 0 20 0 0 50 60 70 80 0 00 a d j u s t p i n c u r r e n t ( u a ) ambient temperature ( o c) 0 25 50 75 00 25 0 2 5 m i n i m u m l o a d c u r r e n t ( m a ) ambient temperature ( o c) 0 00 k 0k 00k 2 0 0 0 50 60 70 80 r i p p l e r e j e c t i o n ( d b ) frequency (hz) figure . ripple rejection vs. frequency figure 8. short circuit current vs. t emperature 0 25 50 75 00 25 .00 .25 .50 .75 2.00 2.25 s h o r t c i r c u i t c u r r e n t ( a ) ambient temperature ( o c) sipex c orporation headquarters and sales offce 2 south hillview drive milpitas, ca 50 5 tel: ( 08) -7500 fax: ( 08) 5-7600 ord e r ing in format i o n sipex corporation reserves the right to make changes to any products described herein. sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. p art number package v 2 : to-252 adj: adjustable output 1.5: fixed output 1.5v 1.8: fixed output 1.8v 2.5: fixed output 2.5v 3.3: fixed output 3.3v 5.0: fixed output 5.0v - l : lead free and rohs compliant s p1086 / tr: t ape and reel blank: t ube v: to-220 v 1 : to-263-3 3.0: fixed output 3.0v part n umber voltage range temperature range package pin c ount pack qty sp 086v2-l/tr adj 0oc to + 25oc to-252 2,500/tr sp 086v2-l- -5/tr .5v 0oc to + 25oc to-252 2,500/tr sp 086v2-l- -8/tr .8v 0oc to + 25oc to-252 2,500/tr sp 086v2-l-2-5/tr 2.5v 0oc to + 25oc to-252 2,500/tr sp 086v2-l- -0/tr v 0oc to + 25oc to-252 2,500/tr sp 086v2-l- - /tr . v 0oc to + 25oc to-252 2,500/tr sp 086v2-l-5-0/tr 5v 0oc to + 25oc to-252 2,500/tr sp 086v -l/tr adj 0oc to + 25oc to-26 800/tr sp 086v -l- -5/tr .5v 0oc to + 25oc to-26 800/tr sp 086v -l- -8/tr .8v 0oc to + 25oc to-26 800/tr sp 086v -l-2-5/tr 2.5v 0oc to + 25oc to-26 800/tr sp 086v -l- -0/tr v 0oc to + 25oc to-26 800/tr sp 086v -l- - /tr . v 0oc to + 25oc to-26 800/tr sp 086v -l-5-0t/r 5v 0oc to + 25oc to-26 800/tr sp 086v-l adj 0oc to + 25oc to-220 50/tube sp 086v-l- -5 .5v 0oc to + 25oc to-220 50/tube sp 086v-l- -8 .8v 0oc to + 25oc to-220 50/tube sp 086v-l-2-5 2.5v 0oc to + 25oc to-220 50/tube sp 086v-l- -0 v 0oc to + 25oc to-220 50/tube sp 086v-l- - . v 0oc to + 25oc to-220 50/tube sp 086v-l-5-0 5v 0oc to + 25oc to-220 50/tube solved by tm

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