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________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 1 / 19 um 14 31/1441 30 v input , 10 0ma current limit , micropower l inear regulator um1 43 1 s - xx sot23 - 3 um1431s5 - xx / u m1 441s - xx sot23 - 5 u m1 431y - xx / u m1 431b - xx s ot89 - 3 um1441y - xx sot89 - 5 general description the um1431/1441 series are high input voltage low quiescent current regulator s implemented in cmos technology. it can accept input voltage as high as 30 v with 100ma output current limit. the output voltages are selecta ble in 100mv steps within a rang e of 2.0v to 6.0v. 100ma output current limiting is built in to provide pr otection for the regulators against fault conditions. cmos technology ensures low voltage drop and low quiescent current. with a chip enable control pin, the um1441 can turn off the output and greatly reduce the power consumption by setting the enable pin low. the um1431 is available in sot23 - 3, sot23 - 5 and sot89 - 3 packages. the um1441 is available in sot23 - 5 and sot89 - 5 packages. applications features ? communication equipment ? audio/video equipment ? industrial control ? infotainment ? input v oltage r ange : 3 .6 v to 30 v ? 10 0 ma o utput c urrent limit ? 3 % v oltage a ccuracy at 3 0m a ? low d ropout v oltage : 2 5 0 mv ( t ypical) at 3 0ma ? low q uiescent c urrent: 5 .8 a@v in = 30 v ( t ypical) ? available f ixed o utput v oltage from 2 . 0 v to 6 .0 v with 0.1v s tep ? w ith enable control ( um 1441 s - xx , um 1441 y - xx ) ? output c urrent l imit ? um 1431 : low p rofile sot23 - 3 , sot23 - 5 and sot 89 - 3 p ackage s um 1441 : low profile sot23 - 5 and sot89 - 5 packages t ypical application circuit v i n v o u t g n d u m 1 4 3 1 v i n v o u t 1 f 1 0 f v i n v o u t g n d e n u m 1 4 4 1 v i n v o u t c h i p e n a b l e 1 f 1 0 f
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 2 / 19 um 14 31/1441 pin configurations top view um1431s - xx sot23 - 3 m: month code um 1431 s - xx sot23 - 3 um1431s5 - xx sot23 - 5 m: month code um 1431 s5 - xx sot23 - 5 um1431y - xx sot89 - 3 m: month code um 1431 y - xx sot89 - 3 um1431b - xx sot89 - 3 m: month code um 1431 b - xx sot89 - 3 um1441s - xx sot23 - 5 m: mont h code um 1441 s - xx sot23 - 5 um1441y - xx sot89 - 5 xx: week c ode um 1441 y - xx sot 89 - 5 g n d v o u t v i n 1 2 3 1 2 3 4 x x m v i n g n d n c n c v o u t 1 2 3 4 5 1 2 3 4 5 m 4 x x g n d v i n v o u t v i n 1 2 3 1 2 3 4 x x m v o u t g n d v i n g n d 1 2 3 1 2 3 4 x x m v i n g n d e n n c v o u t 1 2 3 4 5 1 2 3 4 5 m 4 x x 1 2 3 4 5 v o u t v i n g n d e n n c v i n 1 2 3 4 5 1 4 4 1 - x x x x
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 3 / 19 um 14 31/1441 pin description naming information pin name pin function en enable input: high=activ a te ldo, low=shutdown ldo gnd ground vin supply input vout voltage regulated output nc not connected u m 1 4 3 1 / 1 4 4 1 p a c k a g e t y p e s : s o t 2 3 - 3 ( u m 1 4 3 1 ) s o t 2 3 - 5 ( u m 1 4 4 1 ) s 5 : s o t 2 3 - 5 y : s o t 8 9 - 5 ( u m 1 4 4 1 ) s o t 8 9 - 3 ( u m 1 4 3 1 , t a b c o n n e c t e d t o v i n ) b : s o t 8 9 - 3 ( u m 1 4 3 1 , t a b c o n n e c t e d t o g n d ) o u t p u t v o l t a g e 2 0 : 2 . 0 v 2 1 : 2 . 1 v 2 2 : 2 . 2 v 6 0 : 6 . 0 v
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 4 / 19 um 14 31/1441 ordering information part number output voltage packaging type marking code s hipping qty um 1431 s - 20 2.0v sot23 - 3 4ka 3000pcs/ 7inch tape & reel um 1431 s - 21 2.1v 4k b um 1431 s - 22 2.2v 4k 2 um 1431 s - 23 2.3v 4k 3 um 1431 s - 24 2.4v 4k 4 um 1431 s - 25 2.5v 4k 5 um 1431 s - 26 2.6v 4k 6 um 1431 s - 27 2.7v 4k 7 um 1431 s - 28 2.8v 4k 8 um 1431 s - 29 2.9v 4k 9 um 1431 s - 30 3.0v 4k c um 1431 s - 31 3.1v 4k d um 1431 s - 32 3.2v 4k e um 1431 s - 33 3.3v 4k f um 1431 s - 34 3.4v 4k h um 1431 s - 35 3.5v 4k l um 1431 s - 36 3.6v 4k m um 1431 s - 37 3.7v 4k j um 1431 s - 38 3.8v 4k k um 1431 s - 39 3.9v 4k n um 1431 s - 40 4.0v 4k p um 143 1 s - 41 4.1v 4k q um 1431 s - 42 4.2v 4k r um 1431 s - 43 4.3v 4k s um 1431 s - 44 4.4v 4k t um 1431 s - 45 4.5v 4k y um 1431 s - 46 4.6v 4k u um 1431 s - 47 4.7v 4k z um 1431 s - 48 4.8v 4n a um 1431 s - 49 4.9v 4n b um 1431 s - 50 5.0v 4n c um 1431 s - 51 5.1v 4n d um 1431 s - 52 5.2v 4n 2 um 1431 s - 53 5.3v 4n 3 um 1431 s - 54 5.4v 4n 4 um 1431 s - 55 5.5v 4n 5 um 1431 s - 56 5.6v 4n 6 um 1431 s - 57 5.7v 4n 7 um 1431 s - 58 5.8v 4n 8 um 1431 s - 59 5.9v 4n 9 um 1431 s - 60 6.0v 4n e
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 5 / 19 um 14 31/1441 ordering information (continued) part number output vol tage packaging type marking code s hipping qty um 1431 s5 - 20 2.0v sot23 - 5 4pa 3000pcs/ 7inch tape & reel um 1431 s5 - 21 2.1v 4pb um 1431 s5 - 22 2.2v 4p2 um 1431 s5 - 23 2.3v 4p 3 um 1431 s5 - 24 2.4v 4p 4 um 1431 s5 - 25 2.5v 4p 5 um 1431 s5 - 26 2.6v 4p 6 um 1431 s5 - 27 2.7v 4p 7 um 1431 s5 - 28 2.8v 4p 8 um 1431 s5 - 29 2.9v 4p9 um 1431 s5 - 30 3.0v 4pc um 1431 s5 - 31 3.1v 4pd um 1431 s5 - 32 3.2v 4pe um 1431 s5 - 33 3.3v 4pf um 1431 s5 - 34 3.4v 4ph um 1431 s5 - 35 3.5v 4pl um 1431 s5 - 36 3.6v 4pm um 1431 s5 - 37 3.7v 4pj u m 1431 s5 - 38 3.8v 4pk um 1431 s5 - 39 3.9v 4pn um 1431 s5 - 40 4.0v 4pp um 1431 s5 - 41 4.1v 4pq um 1431 s5 - 42 4.2v 4pr um 1431 s5 - 43 4.3v 4ps um 1431 s5 - 44 4.4v 4pt um 1431 s5 - 45 4.5v 4py um 1431 s5 - 46 4.6v 4pu um 1431 s5 - 47 4.7v 4pz um 1431 s5 - 48 4.8v 4qa um 1431 s5 - 49 4.9v 4qb um 1431 s5 - 50 5.0v 4qc um 1431 s5 - 51 5.1v 4qd um 1431 s5 - 52 5.2v 4q2 um 1431 s5 - 53 5.3v 4q3 um 1431 s5 - 54 5.4v 4q4 um 1431 s5 - 55 5.5v 4q5 um 1431 s5 - 56 5.6v 4q6 um 1431 s5 - 57 5.7v 4q7 um 1431 s5 - 58 5.8v 4q8 um 1431 s5 - 59 5.9v 4q9 um 1431 s5 - 60 6.0v 4qe
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 6 / 19 um 14 31/1441 ordering information (continued) part number output voltage packaging type marking code s hipping qty um 1431 y - 20 2.0v sot89 - 3 (tab connected to vin) 4 r a 1 000 pcs/ 7 i nch tape & reel um 1431 y - 21 2.1v 4 r b um 1431 y - 22 2.2v 4 r 2 um 1431 y - 23 2.3v 4 r 3 um 1431 y - 24 2.4v 4 r 4 um 1431 y - 25 2.5v 4 r 5 um 1431 y - 26 2.6v 4 r 6 um 1431 y - 27 2.7v 4 r 7 um 1431 y - 28 2.8v 4 r 8 um 1431 y - 29 2.9v 4 r 9 um 1431 y - 30 3.0v 4 r c um 1431 y - 31 3.1v 4 r d um 1431 y - 32 3.2v 4 r e um 1431 y - 33 3.3 v 4 r f um 1431 y - 34 3.4v 4 r h um 1431 y - 35 3.5v 4 r l um 1431 y - 36 3.6v 4 r m um 1431 y - 37 3.7v 4 r j um 1431 y - 38 3.8v 4 r k um 1431 y - 39 3.9v 4 r n um 1431 y - 40 4.0v 4 r p um 1431 y - 41 4 .1v 4 r q um 1431 y - 4 2 4 .2v 4 r r um 1431 y - 4 3 4 .3v 4 r s um 1431 y - 4 4 4 .4v 4 r t um 1431 y - 4 5 4 .5v 4 r y um 1431 y - 4 6 4 .6v 4 r u um 1431 y - 4 7 4 .7v 4 r z um 1431 y - 4 8 4 .8v 4f f um 1431 y - 4 9 4 .9v 4f h um 1431 y - 5 0 5 .0v 4f l um 1431 y - 5 1 5 .1v 4f m um 1431 y - 5 2 5 .2v 4f j um 1431 y - 5 3 5 .3v 4f k um 1431 y - 5 4 5 .4v 4f n um 1431 y - 5 5 5 .5v 4f p um 1431 y - 5 6 5 .6v 4f q um 1431 y - 5 7 5 .7v 4f r um 1431 y - 5 8 5 .8v 4f s um 1431 y - 5 9 5 .9v 4f t um 1431 y - 6 0 6 .0v 4f y
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 7 / 19 um 14 31/1441 ordering information (continued) part number output voltage packaging type marking code s hipping qty um 1431 b - 20 2.0v sot89 - 3 (tab conne cted to gnd) 4 s a 1 000 pcs/ 7 i nch tape & reel um 1431 b - 21 2.1v 4 s b um 1431 b - 22 2.2v 4 s 2 um 1431 b - 23 2.3v 4 s 3 um 1431 b - 24 2.4v 4 s 4 um 1431 b - 25 2.5v 4 s 5 um 1431 b - 26 2.6v 4 s 6 um 1431 b - 27 2.7v 4 s 7 um 1431 b - 28 2.8v 4 s 8 um 1431 b - 29 2.9v 4 s 9 um 143 1 b - 30 3.0v 4 s c um 1431 b - 31 3.1v 4 s d um 1431 b - 32 3.2v 4 s e um 1431 b - 33 3.3v 4 s f um 1431 b - 34 3.4v 4 s h um 1431 b - 35 3.5v 4 s l um 1431 b - 36 3.6v 4 s m um 1431 b - 37 3.7v 4 s j um 1431 b - 38 3.8v 4 s k um 1431 b - 39 3.9v 4 s n um 1431 b - 40 4.0v 4 s p um 1431 b - 41 4 .1v 4 s q um 1431 b - 4 2 4 .2v 4 s r um 1431 b - 4 3 4 .3v 4 s s um 1431 b - 4 4 4 .4v 4 s t um 1431 b - 4 5 4 .5v 4 s y um 1431 b - 4 6 4 .6v 4 s u um 1431 b - 4 7 4 .7v 4 s z um 1431 b - 4 8 4 .8v 4j f um 1431 b - 4 9 4 .9v 4j h um 1431 b - 5 0 5 .0v 4j l um 1431 b - 5 1 5 .1v 4j m um 1431 b - 5 2 5 .2v 4j j um 1431 b - 5 3 5 .3v 4j k um 1431 b - 5 4 5 .4v 4j n um 1431 b - 5 5 5 .5v 4j p um 1431 b - 5 6 5 .6v 4j q um 1431 b - 5 7 5 .7v 4j r um 1431 b - 5 8 5 .8v 4j s um 1431 b - 5 9 5 .9v 4j t um 1431 b - 6 0 6 .0v 4j y
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 8 / 19 um 14 31/1441 ordering information (continued) part number output voltag e packaging type marking code s hipping qty um 1441 s - 20 2.0v sot23 - 5 4t a 3000 pcs/ 7 i nch tape & reel um 1441 s - 21 2.1v 4t b um 1441 s - 22 2.2v 4t 2 um 1441 s - 23 2.3v 4t 3 um 1441 s - 24 2.4v 4t 4 um 1441 s - 25 2.5v 4t 5 um 1441 s - 26 2.6v 4t 6 um 1441 s - 27 2.7v 4t 7 um 1441 s - 28 2.8v 4t 8 um 1441 s - 29 2.9v 4t 9 um 1441 s - 30 3.0v 4t c um 1441 s - 31 3.1v 4t d um 1441 s - 32 3.2v 4t e um 1441 s - 33 3.3v 4t f um 1441 s - 34 3.4v 4t h um 1441 s - 35 3.5v 4t l um 1441 s - 36 3.6v 4t m um 1441 s - 37 3.7v 4t j um 1441 s - 38 3.8v 4t k um 1441 s - 39 3.9v 4t n um 1441 s - 40 4.0v 4t p um 1441 s - 41 4 .1v 4t q um 1441 s - 4 2 4 .2v 4t r um 1441 s - 4 3 4 .3v 4t s um 1441 s - 4 4 4 .4v 4t t um 1441 s - 4 5 4 .5v 4t y um 1441 s - 4 6 4 .6v 4t u um 1441 s - 4 7 4 .7v 4t z um 1441 s - 4 8 4 .8v 4qf um 1441 s - 4 9 4 .9v 4qh um 1441 s - 5 0 5 .0v 4ql um 1441 s - 5 1 5 .1v 4qm um 1441 s - 5 2 5 .2v 4qj um 1441 s - 5 3 5 .3v 4qk um 1441 s - 5 4 5 .4v 4qn um 1441 s - 5 5 5 .5v 4qp um 1441 s - 5 6 5 .6v 4qq um 1441 s - 5 7 5 .7v 4qr um 1441 s - 5 8 5 .8v 4qs um 1441 s - 5 9 5 .9v 4qt um 1441 s - 6 0 6 .0v 4qy
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 9 / 19 um 14 31/1441 ord ering information (continued) part number output voltage packaging type marking code s hipping qty um 1441 y - 20 2.0v sot89 - 5 1441 - 20 1 000 pcs/ 7 i nch tape & reel um 1441 y - 21 2.1v 1441 - 21 um 1441 y - 22 2.2v 1441 - 22 um 1441 y - 23 2.3v 1441 - 23 um 1441 y - 24 2.4v 1441 - 24 um 1441 y - 25 2.5v 1441 - 25 um 1441 y - 26 2.6v 1441 - 26 um 1441 y - 27 2.7v 1441 - 27 um 1441 y - 28 2.8v 1441 - 28 um 1441 y - 29 2.9v 1441 - 29 um 1441 y - 30 3.0v 1441 - 30 um 1441 y - 31 3.1v 1441 - 31 um 1441 y - 32 3.2v 1441 - 32 um 1441 y - 33 3.3v 1441 - 33 um 1441 y - 34 3.4v 1441 - 34 um 1441 y - 35 3.5v 1441 - 35 um 1441 y - 36 3.6v 1441 - 36 um 1441 y - 37 3.7v 1441 - 37 um 1441 y - 38 3.8v 1441 - 38 um 1441 y - 39 3.9v 1441 - 39 um 1441 y - 40 4.0v 1441 - 40 um 1441 y - 41 4 .1v 1441 - 41 um 1441 y - 4 2 4 .2v 1441 - 42 um 1441 y - 4 3 4 .3v 1441 - 43 um 1441 y - 4 4 4 .4v 1441 - 44 um 1441 y - 4 5 4 .5v 1441 - 45 um 1441 y - 4 6 4 .6v 1441 - 46 um 1441 y - 4 7 4 .7v 1441 - 47 um 1441 y - 4 8 4 .8v 1441 - 48 um 1441 y - 4 9 4 .9v 1441 - 49 um 1441 y - 5 0 5 .0v 1441 - 50 um 1441 y - 5 1 5 .1v 1441 - 51 um 1441 y - 5 2 5 .2v 1441 - 52 u m 1441 y - 5 3 5 .3v 1441 - 53 um 1441 y - 5 4 5 .4v 1441 - 54 um 1441 y - 5 5 5 .5v 1441 - 55 um 1441 y - 5 6 5 .6v 1441 - 56 um 1441 y - 5 7 5 .7v 1441 - 57 um 1441 y - 5 8 5 .8v 1441 - 58 um 1441 y - 5 9 5 .9v 1441 - 59 um 1441 y - 6 0 6 .0v 1441 - 60
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 10 / 19 um 14 31/1441 absolute maximum ratings (note 1) s ymbo l p arameter v alue u nit v in supply voltage on v in pin - 0.3 to + 33 v v out voltage on v out pin - 0.3 to + 33 v t j operating junction temperature (notes 2, 3) - 40 to + 125 c t stg storage temperature range - 6 5 to + 150 c t l lead temperature for soldering 10 s econds + 260 c p d (notes 4) power dissipation@25 c sot23 - 3 0.40 w sot89 - 3 1.0 sot23 - 5 0.43 sot89 - 5 1. 20 ja package thermal resistance sot23 - 3 250 c /w sot89 - 3 100 sot23 - 5 230 sot89 - 5 83 note 1: absolute maximum ratings are th o se values beyond which the life of a device may be impaired. not e 2: the um 1431 / 1441 is tested and specified under pul se load conditions such that t j t a . specifications over the - 40 c to 125 c operating junction temperature range are assured by design, ch aracterization and correlation with statistical process controls. no te 3 : this ic includes over temperature protection that is intended to prot ect the device during momentary o verload conditions. junct ion temperature will exceed 125 c when over temperature protection is active. continuous operation above the specified maximum operating junction temperature may impair device reliability. no te 4 : the maximum allowable power dissipation of any t a (ambient temperature) is p dmax = (t jmax - t a )/ ja . exceeding the maximum allowable power dissipation will result in excessive die temperature and the regulator will go into thermal shutdown.
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 11 / 19 um 14 31/1441 electrical characteristics v in = v out + 1v , c in =1 f, c out =1 0 f , t a = 2 5 c . symbol parameter test conditions min typ max unit v in input voltage range 3.6 30 v v out output voltage range 2 .0 6 .0 v i q operating quiescent current i out =0 ma, v in = 30 v 5 .8 8 .0 a in = 30 v, i out =30ma 7 0 i shdn shutdown leakage current v in =30v 2.2 3.0 a out output current 30 ma output voltage accuracy i out =30ma, t a =+25 c - 3 +3 % v do dropout voltage i out =30ma 2 5 0 3 5 0 mv i limt output current limit v in 2.5v s il enable input low voltage 0.7 v v ih enable input high voltage 2.0 v t c output voltage t emperature c oefficient i out =10ma 1 5 0 ppm/ c line regulation v out +1v in in ) i out =10ma 0.0 5 %/v load regulation v in =v out +1v (3.6v in ) 1 out in =1f, i out =100m a v out =2.0v 45 0 rms psrr power supply ripple rejection v in =v out +1v i out =100ma (3.6v in ) f =100hz 5 5 db f =1 k hz 4 5 f =10 k hz 3 5
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 12 / 19 um 14 31/1441 typical performance characteristics quiescent current vs . input voltage um1431s - 36, i out =0ma quiescent current vs . temperature v in =30v, i out =0ma ground current vs . output current v in =30v output voltage vs . input voltage um1441s - 36 i out = 0ma i out =1ma i out =10ma output voltage vs . output current um1441s - 36, v in =4.0v enable threshold voltage vs . input voltage v ih v il 3.570 3.575 3.580 3.585 3.590 3.595 3.600 3.605 3.610 0 3 6 9 12 15 18 21 24 27 30 output voltage (v) output current (ma) output voltage vs output current um1440s - 36 vin=4.0v 4.2 4.7 5.2 5.7 6.2 6.7 7.2 - 40 - 20 0 20 40 60 80 100 120 140 quiescent current ( quiescent current vs temperature vin=30v iout=0ma 2 3 4 5 6 7 2 6 10 14 18 22 26 30 quiescent cuerrent ( quiescent current vs input voltage um1431s - 36 iout=0ma 0 10 20 30 40 50 60 70 80 0 5 10 15 20 25 30 ground current ( ground current vs output current vin=30v 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 enalbe threshold voltage (v) input voltage (v) enable threshold voltage vs input voltage 3.550 3.555 3.560 3.565 3.570 3.575 3.580 3.585 3.590 3.595 3.600 2 6 10 14 18 22 26 30 output voltage (v) input voltage (v) output voltage vs input voltage um1441s - 36 iout=0ma iout=1ma iout=10ma
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 13 / 19 um 14 31/1441 typical performance characteris tics ( continued ) output voltage vs . temperature v in =4.6v, i out =2ma out put voltage vs . temperature v in =30v, i out =2ma shutdown leakage current vs . input voltage shutdown leakage current vs . temperature v in =30v, i out =0ma psrr vs . frequency i out =10ma i out =30ma dropout voltage vs . output current um 1431 s5 - 40 1.0 1.5 2.0 2.5 3.0 3.5 4.0 - 40 - 20 0 20 40 60 80 100 120 140 shutdown leakage current ( a) temperature ( c) shutdown leakage current vs temperature vin=30v iout=0ma 0 40 80 120 160 200 240 0 5 10 15 20 25 30 dropout voltage (mv) output current (ma) dropout voltage vs output current um1430s5 - 40 3.500 3.525 3.550 3.575 3.600 3.625 3.650 3.675 3.700 - 50 - 25 0 25 50 75 100 125 output voltage (v) temperature ( c) output voltage vs temperature vin=30v iout=2ma 3.500 3.525 3.550 3.575 3.600 3.625 3.650 3.675 3.700 - 50 - 25 0 25 50 75 100 125 output voltage (v) temperature ( c) output voltage vs temperature vin=4.6v iout=2ma 0.00 0.50 1.00 1.50 2.00 2.50 3.00 2 6 10 14 18 22 26 30 shutdown leakage current ( shutdown current vs input voltage 20 25 30 35 40 45 50 55 60 65 10 100 1000 10000 100000 psrr (db) frequency (hz) psrr vs. frequency io=10ma io=30ma
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 14 / 19 um 14 31/1441 typical performance characteristics ( continued ) um 1441 s - 20, v in =4.0v, i out =30ma, c out =10f noise, 1m v/div 440 v rms time, 200ms /div f=10hz to 100khz noise um 1441 s - 20 v in =3.6v , i out =3ma to 30ma 2 0 ma /div 2 0 mv /div time, 100 s /div i out v out load transient response um 1441 s - 20 v in = 30 v , i out = 3ma to 30ma 2 0 ma /div 2 0 mv /div time, 100 s /div i out v out load transient response um 1441 s - 20 i out =30ma , v in =4.0v to 5.0v 2v /div 2 0 mv /div time, 200 s /div v in v out line transient response
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 15 / 19 um 14 31/1441 package information um 1431 s - xx : sot23 - 3 outline drawing dimensions symbol m illimeters inches min typ max min typ max a 1.0 13 1.15 1. 40 0.04 0 0.045 0.0 55 a1 0.0 0 0.05 0.1 0 0.000 0.002 0.004 a2 1.0 0 1.10 1. 30 0.0 39 0.043 0.0 51 b 0. 30 - 0.50 0.01 2 - 0.020 c 0.10 0.15 0.20 0.004 0.006 0.008 d 2. 82 - 3. 10 0.11 1 - 0.1 22 e 1.50 1.60 1.70 0.059 0.063 0.067 e 1 2.60 2.80 3.00 0.10 2 0.110 0.11 8 e 0.95ref 0.037ref e1 1.90ref 0.075ref l 0. 30 - 0. 60 0.01 2 - 0.02 4 0 - 8 0 - 8 land pattern notes: 1. compound dimension: 2.92 1 .60 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation e 1 e 1 b d e e a 2 a 1 a t o p v i e w s i d e v i e w 3 1 2 c l e n d v i e w 1 . 9 0 2 . 3 5 1 . 2 0 0 . 5 6 4 x x m
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 16 / 19 um 14 31/1441 um 1431 y - xx , um 1431 b - xx : s ot 89 - 3 outline drawing dimens ions symbol millimeters inches min typ max min typ max a 1.40 1.50 1.60 0.055 0.059 0.063 b 0. 32 - 0.5 4 0.013 - 0.02 1 b1 0. 40 - 0. 62 0.016 - 0.02 4 c 0.35 - 0.4 4 0.014 - 0.017 d 4.40 4.50 4.60 0.173 0.177 0.181 d1 1.50 - 1.83 0.059 - 0.072 e 2. 30 2.50 2.60 0.091 0.098 0.102 e1 3.9 4 - 4.25 0.155 - 0.167 e 1.5 0 typ 0.0 59 typ l 0.89 - 1.20 0.035 - 0.047 land pattern notes: 1. compound dimension: 4.50 2.50 ; 2. unit: mm; 3. general tolerance 0.0 5 mm unless o therwise specified; 4. the layout is just for reference. tape and reel orientation d 1 e e l d e 1 c a 8 ( 4 x ) e n d v i e w t o p v i e w s i d e v i e w r 0 . 2 0 0 p i n # 1 i d b b 1 1 . 8 0 0 . 6 0 1 . 6 0 0 . 7 5 1 . 5 0 3 . 1 0 1 . 6 0 4 . 1 0 4 . 5 0 4 . 7 0 4 x x m
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 17 / 19 um 14 31/1441 um 1431 s5 - xx, um 1441 s - xx outline drawing dimensions symbol millimeters inches min typ max min t yp max a 1.0 13 1.15 1. 40 0.04 0 0.045 0.0 55 a1 0.0 0 0.05 0.1 0 0.000 0.002 0.004 a2 1.0 0 1.10 1. 30 0.0 39 0.043 0.0 51 b 0. 30 - 0.50 0.01 2 - 0.020 c 0.10 0.15 0.20 0.004 0.006 0.008 d 2. 82 - 3. 10 0.111 - 0.1 22 e 1.50 1.60 1.70 0.059 0.063 0.067 e 1 2.60 2.80 3.00 0.10 2 0.110 0.11 8 e 0.95ref 0.037ref e1 1.90ref 0.075ref l 0. 30 - 0. 60 0.01 2 - 0.02 4 0 - 8 0 - 8 land pattern notes: 1. compound dimension: 2.92 1 .60 ; 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation e 1 e 1 b d e e a 2 a 1 a t o p v i e w s i d e v i e w 4 1 3 c l e n d v i e w 2 5 0 . 5 6 0 . 9 5 0 . 9 5 2 . 3 5 1 . 2 0 m 4 x x
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 18 / 19 um 14 31/1441 um 1441 y - xx: sot89 - 5 outline drawing dimensions symbol millimeters inches min typ max min typ max a 1.40 1.50 1.60 0.05 5 0.059 0.06 3 b 0.3 2 - 0.54 0.01 3 - 0.02 1 b1 0. 38 - 0.62 0.01 5 - 0.02 4 c 0.35 - 0.44 0.014 - 0.01 7 d 4.40 4.50 4.60 0.17 3 0.177 0.18 1 d1 1. 40 - 1.83 0.05 5 - 0.07 2 e 2.3 0 2.50 2.60 0.09 1 0.098 0.10 2 e 1.50typ 0.0 59 typ l 0.65 - 1. 2 0 0.026 - 0.04 7 land pattern notes: 1. compound dimension: 4.50 2.50; 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation e n d v i e w t o p v i e w d 1 l r 0 . 2 0 0 e e b 1 b l c 8 ( 4 x ) d a s i d e v i e w p i n # 1 i d 1 . 8 0 0 . 6 0 1 . 6 0 0 . 7 5 1 . 5 0 3 . 1 0 1 . 6 0 5 . 3 5 4 . 5 0 4 . 5 5 1 4 4 1 - x x x x
________________________________________________________________________ http://www.union - ic.com rev.01 apr .20 16 19 / 19 um 14 31/1441 green compliance union semiconductor is committed to environmental excellence in all aspects of its operations including meeting or exceeding regulatory requirements with respect to the use of hazardous substances. numerous successful programs have been implemented to reduce the use of hazardous substance s and/or emissions. all union components are compliant with the rohs directive, which helps to support customers in their compliance with environmental directives. for more green compliance information, please visit: http://www.union - ic.com/index.aspx?cat_code=rohsdeclaration important notice the information in this document has been carefully reviewed and is believed to be accurate. nonetheless, this document is subject to chan ge without notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union reser ves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add: unit 606, no.570 shengxia road, shanghai 2012 10 tel : 021 - 5109 3966 fax: 021 - 51026018 website: www.union - ic.com

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