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| Datasheet File OCR Text: |
| ' ( 6 & 5 , 3 7 , 2 1 7 k h lrc lr l v d w k u h h w h u p l q d o d g m x v w d e o h u h j x o d w r u z l w k d j x d u d q w h h g w k h u p d o v w d e l o l w \ r y h u d s s o l f d e o h w h p s h u d w x u h u d q j h v 7 k h r x w s x w y r o w d j h p d \ e h v h w w r d q \ y d o x h e h w z h h q 9 u h i d s s u r [ l p d w h o \ 9 d q g 9 z l w k w z r h [ w h u q d o u h v l v w r u v , w s u r y l g h v y h u \ z l g h d s s o l f d w l r q v l q f o x g l q j v k x q w u h j x o d w r u v h u l h v u h j x o d w r u v z l w f k l q j u h j x o d w r u y r o w d j h u h i h u h q f h d q g r w k h u v ) ( $ 7 8 5 ( 6 3 u r j u d p p d e o h r x w s x w 9 r o w d j h w r 9 / r z g \ q d p l f r x w s x w l p s h g d q f h ? . 6 l q n f x u u h q w f d s d e l o l w \ r i w r p $ ( t x l y d o h q w i x o o u d q j h w h p s h u d w x u h f r h i i l f l h q w r i s s p & w \ s l f d o i r u r s h u d w l r q r y h u i x o o u d w h g r s h u d w l q j w h p s h u d w x u h u d q j h sot-23 1: ref; 2: cathode; 3: anode % / 2 & . ' , $ * 5 $ 0 1/5 reference(r) anode(a) cathode(k) sot-23 lr c leshan radio company,ltd. pb-free package is available programmable precision reference lr431atslt1g ver1.0 lr c leshan radio company,ltd. a % 6 2 lute 0 a ; i 0 u 0 rating 6 2 s h u d w l q j w h p s h u d w x u h u d q j h d s s o l h v x q o h v v r w k h u z l v h v s h f l i l h g 3 ara 0 eter 6 < 0 % 2 l 9 alue unit c d w k r g h 9 r o w d j h 9 . a 3 c d w k r g h c x u u h q w r d q j h c r q w l q x r x v i . a 1 a 1 p a r h i h u h q f h i q s x w c x u u h q w r d q j h i u h i a 1 p a 2 s h u d w l q j - x q f w l r q t h p s h u d w x u h t m 1 c 2 s h u d w l q j a p e l h q w t h p s h u d w x u h t r s u c 6 w r u d j h t h p s h u d w x u h t h p s h u d w x u h t v w j a 1 c rec 2 0 0 ended 2 3 erating c 2 nditi 2 n 6 3 ara 0 eter 6 < 0 % 2 l 0 in t < 3 0 a ; unit c d w k r g h 9 r o w d j h 9 . a 9 re ) 3 9 c d w k r g h c x u u h q w i . a 1 1 p a ty pe ran k range(v) marking packa classification of v ref and package 9 r s u t 4 a - 0.5% 1% 0.5% 1% ras rbs sot-23 sot-23 sot-23 sot-23 -40 ~ + 125 c * 2.488~2.512 2.475~2.525 2.483~2.507 2.470~2.520 lr431bptslt1g lr431aptslt1g lr431btslt1g lr431atslt1g 1 -40 ~ + 125 c -40 ~ + 125 c -40 ~ + 125 c 0.5 electrical?characteristics (ta=25 c,unless?otherwise?specified) characteristic symbol test?conditions min typ max unit 0.5% 2.488 2.50 2.512 1% 2.475 2.50 2.525 reference?input?voltage?1 2% vref v ka =v ref ,i ka =10ma 2.450 2.50 2.550 v 0.5% 2.483 2.495 2.507 1% 2.470 2.495 2.520 reference?input?voltage?2* 2% vref v ka =v ref ,i ka =10ma 2.445 2.495 2.545 v deviation?of?reference?input?voltage over?temperature d vref v ka =v ref ,i ka =10ma t min t a t max 4.5 25 mv ratio?of?change?in?reference?input voltage?to?the?change?in?cathode voltage d v ref / d v ka i ka =10ma d v ka =10v~v ref -1.0 -2.7 mv/v d v ka =36v~10v -0.5 -2.0 reference?input?current iref i ka =10ma,r1=10k ? ,r2= 1 2 m a deviation?of?reference?input?current over?ful?l?temperature?range d iref/ d t i ka =10ma,r1=10k w ,r2= , t a = full?temperature 0.2 0.4 m a minimum?cathode?current?for regulation i ka (min) v ka =v ref 0.3 0.5 ma off-state?cathode?current i ka (off) v ka =36v,v ref =0 0.05 0.5 m a dynamic?impedance z ka v ka =v ref ,i ka =1?to?100ma f 1.0khz 0.15 0.5 w 2/5 ver1.0 t < 3 ical 3 er ) 2 r 0 ance c + aracteri 6 tic 6 1 1 3 1 1 1 c d w k r g h 9 r o w d j h 9 c d w k r g h c x u u h q w p a t d ? c 9 . a 9 re ) 11 3 4 c d w k r g h 9 r o w d j h 9 c d w k r g h c x u u h q w a ) l j c d w k r g h c x u u h q w 9 v c d w k r g h 9 r o w d j h t d ? c 9 . a 9 re ) i . a p l q 1 1 3 3 4 1 1 3 3 4 c d w k r g h 9 r o w d j h 9 c k d q j h i q r h i h u h q f h in s x w 9 r o w d j h p 9 ) l j 3 c k d q j h l q r h i h u h q f h i q s x w 9 r o w d j h 9 v c d w k r g h y r o w d j h i . a 1 p a t d ? c 1 34 1 3 4 t l p h p v i q s x w d q g 2 x w s x w 9 r o w d j h 9 ) l j 4 3 x o v h r h v s r q v h t d ? c 1 1 1 1 1 1 1 1 1 1 4 1 3 i p s h g d q f h ) u h t x h q f \ + ] ) l j d \ q d p l f i p s h g d q f h 9 v ) u h t x h q f \ t d ? c i . a p a w r 1 p a 1 1 3 4 1 1 1 1 4 1 3 ) l j 6 p d o o 6 l j q d o 9 r o w d j h a p s o l i l f d w l r q 9 v ) u h t x h q f \ 9 r o w d j h a p s o l i l f d w l r q g % ) u h t x h q f \ + ] t d ? c i . a 1 p a fig 1 cathode current vs cathode voltage lr c leshan radio company,ltd. ? 3/5 ver1 te 6 t circuit in 3 ut 9 . a 9 re ) i . a lr 431 r1 r i re ) 9 . a 9 re ) 1 r1 r i re ) r1 in 3 ut 9 . a 9 re ) i . a lr 431 in 3 ut 9 . a i . a 2 ) ) lr 431 ) l j 7 t h v w c l u f x l w ) r u 9 . a 9 re ) ) l j 8 t h v w c l u f x l w i r u 9 . a ! 9 re ) ) l j 9 t h v w c l u f x l w ) r u i . a 2 ) ) a 3 3 licati 2 n circuit 9 l 9 r 9 re ) lr 431 r1 r 9 r 1 r1 r 9 re ) 9 l 9 r 9 re ) lr 431 r1 r 9 r 1 r1 r 9 re ) lr 2 ut in c 2 0 0 2 n 9 l 9 r 9 re ) lr 431 r1 r 9 r 1 r1 r 9 re ) ) l j 1 6 k x w g r z q r h j x o d w r u ) l j 11 2 x w s x w c r q w u r o r i d t k u h h ) l j 1 + l j k h u f x u u h q w 6 k x q w r h j x o d w r u t h u p l q d o ) l [ h g r h j x o d w r u 9 l 9 r lr 431 r v rcl i r 9 l 9 r lr 431 r v i r i 2 9 re ) r 6 ) l j 13 c r q v w d q w f x u u h q w 6 l q n ) l j 14 c x u u h q w l l p l w l q j r u c x u u h q w 6 r x u f h lr c leshan radio company,ltd. 9 re ) rcl i r 4/5 ver1.0 lr c leshan radio company,ltd. sot-23 package outline dimensions symbol a a1 a2 b c d e e1 e e1 l l1 ? min 0.900 0.000 0.900 0.300 0.080 2.800 1.200 2.250 1.800 0.300 0 max 1.100 0.100 1.000 0.500 0.150 3. 1 00 1. 61 0 2.550 2.000 0.500 8 min 0.035 0.000 0.035 0.012 0.003 0.110 0.047 0.089 0.071 0.012 0 max 0.043 0.004 0.039 0.020 0.006 0.118 0.055 0.100 0.079 0.020 8 dimensions in millimeters dimensions in inches 0.037tpy 0.022ref 0.950tpy 0.550ref d e1 a1 a2 a e l1 l b e1 c 0.2 e ? 5/5 ver1.0 |
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