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1/18 september 2003 n very low dropout voltage (typ. 0.4 at 1.5a) n guaranteed output current up to 1.5a n fixed and adjustable output voltage ( 1% at 25c) n internal current and thermal limit n logic controlled electronic shutdown available in ppak and to-220fp4 description the ld29150 is a high current, high accuracy, low-dropout voltage regulator series. these regulators feature 400mv dropout voltage and very low ground current. designed for high current loads, these devices are also used in lower current, extremely low dropout-critical systems, where their tiny dropout voltage and ground current values are important attributes. typical applications are in power supply switching post regulation, series power supply for monitors, series power supply for vcrs and tvs, computer systems and battery powered systems. ld29150 series 1.5a, very low drop voltage regulators schematic diagram for adjustable version to-220 dpak ppak to-220fp4 to-220fp
ld29150 series 2/18 schematic diagram for fixed version * only for version with inhibit function. ordering codes (*) available in tape & reel with the suffix "r". (#) available on request. absolute maximum ratings (*) above 14v the device is automatically in shut-down. absolute maximum ratings are those beyond which damage to the device may occur. functional operation under these condition is not im- plied. to-220 to-220fp (#) to-220fp4 (#) dpak (*) ppak (*) output voltage ld29150v15 ld29150p15 ld29150f4-15 ld29150dt15 ld29150pt15 1.5 v ld29150v18 ld29150p18 ld29150f4-18 ld29150dt18 ld29150pt18 1.8 v ld29150v25 ld29150p25 ld29150f4-25 ld29150dt25 ld29150pt25 2.5 v ld29150v33 ld29150p33 ld29150f4-33 ld29150dt33 ld29150pt33 3.3 v ld29150v50 ld29150p50 ld29150f4-50 ld29150dt50 ld29150pt50 5.0 v ld29150v80 ld29150p80 ld29150f4-80 ld29150dt80 ld29150pt80 8.0 v ld29150v90 ld29150p90 ld29150f4-90 LD29150DT90 ld29150pt90 9.0 v ld29150pt adj symbol parameter value unit v i dc input voltage 30 (*) v i o output current internally limited ma p d power dissipation internally limited mw t stg storage temperature range -55 to 150 c t op operating junction temperature range -40 to 125 c
ld29150 series 3/18 thermal data connection diagram (top view) * not connected for fixed version. symbol parameter dpak ppak to-220 to-220fp to-220fp4 unit r thj-case thermal resistance junction-case 8 8 3 4 4 c/w r thj-amb thermal resistance junction-ambient 100 100 50 60 60 c/w to-220fp4 dpak ppak to-220 to-220fp
ld29150 series 4/18 application circuit * only for version with inhibit function. electrical characteristics of ld29150#15 (i o = 10ma, t j = 25c, v i =3.5v,v inh =2v(note2),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: only for version with inhibit function. symbol parameter test conditions min. typ. max. unit v i minimum operating input voltage i o = 10ma to 1.5a t j = -40 to 125c 2.5 v v o output voltage i o = 10ma to 1.5a, v i = 3 to 7v t j = -40 to 125c 1.485 1.5 1.515 v 1.47 1.53 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 3 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i = 3.5 1v, i o = 0.75a (note 1) 65 75 db i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 2) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 2) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 60 v rms r 1 v o =v ref (1 + ?? ) r 2
ld29150 series 5/18 electrical characteristics of ld29150#18 (i o = 10ma, t j = 25c, v i =3.8v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. electrical characteristics of ld29150#25 (i o = 10ma, t j = 25c, v i =4.5v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i = 3 to 7.3v t j = -40 to 125c 1.782 1.8 1.818 v 1.764 1.836 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 3 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i = 3.8 1v, i o = 0.75a (note 1) 62 72 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 72 v rms symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i = 3.5 to 8v t j = -40 to 125c 2.475 2.5 2.525 v 2.45 2.55 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 3.5 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i = 4.5 1v, i o = 0.75a (note 1) 55 70 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 100 v rms
ld29150 series 6/18 electrical characteristics of ld29150#33 (i o = 10ma, t j = 25c, v i =5.3v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. electrical characteristics of ld29150#50 (i o = 10ma, t j =25c,v i =7v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i = 4.3 to 8.8v t j = -40 to 125c 3.267 3.3 3.333 v 3.234 3.366 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 4.3 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i = 5.3 1v, i o = 0.75a (note 1) 52 67 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 132 v rms symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i = 6 to 10.5v t j = -40 to 125c 4.95 5 5.05 v 4.9 5.1 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 6 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i =7 1v, i o = 0.75a (note 1) 49 64 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 200 v rms
ld29150 series 7/18 electrical characteristics of ld29150#80 (i o = 10ma, t j = 25c, v i =10v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. electrical characteristics of ld29150#90 (i o = 10ma, t j = 25c, v i =11v,v inh =2v(note3),c i = 330nf, c o =10 m f, unless otherwise specified) note 1: guaranteed by design. note 2: dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with v o +1v applied to v i . note 3: only for version with inhibit function. symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i = 9 to 13v t j = -40 to 125c 7.92 8 8.08 v 7.84 8.16 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 9 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i =9 1v, i o = 0.75a (note 1) 45 59 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 320 v rms symbol parameter test conditions min. typ. max. unit v o output voltage i o = 10ma to 1.5a, v i =10to13v t j = -40 to 125c 8.91 9 9.09 v 8.82 9.18 d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 10 to 13v 0.06 0.5 % svr supply voltage rejection f = 120 hz, v i =11 1v, i o = 0.75a (note 1) 45 58 db v drop dropout voltage i o = 250ma, t j = -40 to 125c (note 2) 0.1 v i o = 0.75a, t j = -40 to 125c (note 2) 0.2 i o = 1.5a, t j = -40 to 125c (note 2) 0.4 0.7 i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 360 v rms
ld29150 series 8/18 electrical characteristics of ld29150#adj (i o = 10ma, t j = 25c, v i =3.23v,v inh =2v(note3),c i = 330nf, c o =10 m f adjust pin tied to output pin) note 1: guaranteed by design. note 2: reference voltage is measured between output and gnd pin, with adj pin tied to v out . note 3: only for version with inhibit function. symbol parameter test conditions min. typ. max. unit v i minimum operating input voltage i o = 10ma to 1.5a t j = -40 to 125c 2.5 v d v o load regulation i o = 10ma to 1.5a 0.2 1.0 % d v o line regulation v i = 2.5 v to 13v i o = 10ma 0.06 0.5 % v ref reference voltage i o = 10ma to 1.5a, v i = 2.5 to 4.5v t j = -40 to 125c (note 2) -1% 1.23 +1% v -2% +2% svr supply voltage rejection f = 120 hz, v i = 3.23 1v, i o = 0.75a (note 1) 45 75 db i q quiescent current i o = 0.75a, t j = -40 to 125c 15 40 ma i o = 1.5a, t j = -40 to 125c 30 80 v i = 13v, v inh =gnd t j = -40 to 125c 130 180 a i adj adjust pin current t j = -40 to 125c (note 1) 1 a i sc short circuit current v i -v o = 5.5v 2.2 a v il control input logic low off mode, (note 3) t j = -40 to 125c 0.8 v v ih control input logic high on mode, (note 3) t j = -40 to 125c 2 v i inh control input current t j = -40 to 125c v inh = 13v 5 10 a en output noise voltage b p = 10hz to 100khz i o = 100ma 50 v rms
ld29150 series 9/18 typical characteristics figure 1 : output voltage vs temperature figure 2 : reference voltage vs temperature figure 3 : dropout voltage vs temperature figure 4 : dropout voltage vs output current figure 5 : quiescent current vs output current figure 6 : quiescent current vs output current
ld29150 series 10/18 figure 7 : quiescent current vs supply voltage figure 8 : quiescent current vs temperature figure 9 : quiescent current vs temperature figure 10 : short circuit current vs temperature figure 11 : adjust pin current vs temperature figure 12 : supply voltage rejection vs temperature
ld29150 series 11/18 figure 13 : output voltage vs input voltage figure 14 : stability vs c o figure 15 : line transient figure 16 : load transient v i = 3 .5 to 5.5 v , i o = 10 m a , v o = 2 .5 v , c o = 10 m f v i = 5v , i o = 10 m at o 1 . 5a , v o = 2 . 5v , c o = 10 m f
ld29150 series 12/18 dim. mm. inch min. typ max. min. typ. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 d1 1.27 0.050 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.067 f2 1.14 1.70 0.044 0.067 g 4.95 5.15 0.194 0.203 g1 2.4 2.7 0.094 0.106 h2 10.0 10.40 0.393 0.409 l2 16.4 0.645 l4 13.0 14.0 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.2 6.6 0.244 0.260 l9 3.5 3.93 0.137 0.154 dia. 3.75 3.85 0.147 0.151 to-220 mechanical dat a p011c
ld29150 series 13/18 dim. mm. inch min. typ max. min. typ. max. a 4.40 4.60 0.173 0.181 b 2.5 2.7 0.098 0.106 d 2.5 2.75 0.098 0.108 e 0.45 0.70 0.017 0.027 f 0.75 1 0.030 0.039 f1 1.15 1.50 0.045 0.059 f2 1.15 1.50 0.045 0.059 g 4.95 5.2 0.194 0.204 g1 2.4 2.7 0.094 0.106 h 10.0 10.40 0.393 0.409 l2 16 0.630 l3 28.6 30.6 1.126 1.204 l4 9.8 10.6 0.385 0.417 l6 15.9 16.4 0.626 0.645 l7 9 9.3 0.354 0.366 dia. 3 3.2 0.118 0.126 to-220fp mechanical data l2 a b d e h g l6 f l3 g1 123 f2 f1 l7 l4 7012510/g
ld29150 series 14/18 dim. mm. inch min. typ max. min. typ. max. a 4.30 4.70 0.169 0.185 a1 2.60 3.00 0.102 0.118 a2 1.30 1.50 1.70 0.051 0.059 0.067 b 0.50 0.70 0.020 0.028 b1 1.05 0.041 b2 1.30 0.051 b3 1.25 0.049 b4 1.50 0.059 c 0.45 0.50 0.60 0.018 0.020 0.024 d 15.50 15.90 0.610 0.626 e 9.80 10.20 0.386 0.402 e 2.29 2.54 2.79 0.090 0.100 0.110 e1 7.62 0.300 h1 6.30 6.70 0.248 0.264 l 13.60 0.535 l1 3.30 0.130 l2 15.40 15.80 0.606 0.622 p 3 3.40 0.118 0.134 q 3.3 3.5 0.130 0.138 to-220fp4 mechanical data 7514291/a
ld29150 series 15/18 dim. mm. inch min. typ max. min. typ. max. a 2.2 2.4 0.086 0.094 a1 0.9 1.1 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.9 0.025 0.035 b2 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.023 c2 0.48 0.6 0.019 0.023 d 6 6.2 0.236 0.244 e 6.4 6.6 0.252 0.260 g 4.4 4.6 0.173 0.181 h 9.35 10.1 0.368 0.397 l2 0.8 0.031 l4 0.6 1 0.023 0.039 dpak mechani cal data 0068772-b
ld29150 series 16/18 dim. mm. inch min. typ max. min. typ. max. a 2.2 2.4 0.086 0.094 a1 0.9 1.1 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.4 0.6 0.015 0.023 b2 5.2 5.4 0.204 0.212 c 0.45 0.6 0.017 0.023 c2 0.48 0.6 0.019 0.023 d 6 6.2 0.236 0.244 e 6.4 6.6 0.252 0.260 g 4.9 5.25 0.193 0.206 g1 2.38 2.7 0.093 0.106 h 9.35 10.1 0.368 0.397 l2 0.8 0.031 l4 0.6 1 0.023 0.039 ppak mechanical data 0078180-b
ld29150 series 17/18 dim. mm. inch min. typ max. min. typ. max. a 180 7.086 c 12.8 13.0 13.2 0.504 0.512 0.519 d 20.2 0.795 n 60 2.362 t 14.4 0.567 ao 6.80 6.90 7.00 0.268 0.272 0.2.76 bo 10.40 10.50 10.60 0.409 0.413 0.417 ko 2.55 2.65 2.75 0.100 0.104 0.105 po 3.9 4.0 4.1 0.153 0.157 0.161 p 7.9 8.0 8.1 0.311 0.315 0.319 tape & reel dpak-ppak mechanical data
ld29150 series 18/18 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics all other names are the property of their respective owners ? 2003 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states. http://www.st.com

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