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________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 1 / 1 9 u m153xx/um154xx ultra low quiescent current linear regulator um 153 xxs sot23 - 3 um 153 xx y sot 89 - 3 um153xxda dfn4 1.81.2 um154xxs sot23 - 5 um154xxy sot89 - 5 um154xxda dfn6 2.02.0 general description the um153xx /um154xx series are ultra low quiescent current low dropout linear regulator s designed for low power portable applications. the ran ge of output voltage is from 1. 3 v to 5.0 v while operated from 2. 2 v to 5.5 v input. the en function of um154xx can disable the entire circuit by inputting l ow level signal. the um153xx /um154xx series offer high output voltage accuracy, excellent transient response, stab i lity with ultra low esr ceramic capacitors as small as 1 f, thermal overload protection and output current limiting. the um153xx is av ailable in a low profile sot23 - 3 , sot89 - 3 or dfn4 1.81.2 package . the um154xx is available in a low profile sot23 - 5 , sot89 - 5 or dfn6 2.02.0 package. applications features ? battery - powered systems ? reference v oltage s ources ? portable av s ystems ? portable g ames ? cellular phones ? utility meters ? toys ? maximum input voltage : 5.5v ? 2 . 0 % voltage accuracy at 3 0ma ? fast transient response ? output current limit ? stable with 1 f output capacitor ? thermal overload protection ? low profile sot23 - 3 , sot89 - 3 or dfn4 1.81.2 package (um153xx) low profile sot23 - 5 , sot89 - 5 or dfn6 2.02.0 package(um154xx) um153xx series pin configurations & top view m: month code um153xxs sot23 - 3 g n d v o u t v i n 1 2 3 1 2 3 x x x m
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 2 / 1 9 u m153xx/um154xx m: month code um153xxy sot89 - 3 (top view) m: month code um153xxda dfn4 1.81.2 um154xx series pin configurations & top view m: month code um154xxs sot23 - 5 xx : week code um154xxy sot89 - 5 (top view) m: month code um154xxda dfn6 2.02.0 g n d v i n v o u t v i n 1 2 3 1 2 3 5 x x m v i n 4 3 2 1 v o u t n c g n d v i n 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 x x x 1 2 3 4 5 n c g n d e n v i n v o u t g n d 1 2 3 4 5 u m 1 5 4 x x x x 1 v o u t g n d n c n c e n v i n 2 3 4 5 6 x x x m
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 3 / 1 9 u m153xx/um154xx pin description pin number symbol function um153xxs um153xxy um153xxda um154xxs um154xxy um154xxda 3 2 4 1 4 6 vin power supply 1 1 3 2 2 2 gnd ground - - - 3 3 5 en enable input, active high - - 2 4 1 3, 4 nc not connected 2 3 1 5 5 1 vout voltage regulated output available voltage version part number output voltage marking code package shipping qty um15313s 1.3v uc3 sot23 - 3 3000 pcs/ 7 i nch tape & reel um15315 s 1.5v uc5 sot23 - 3 um15318s 1.8v uc8 sot23 - 3 um15325s 2.5v ud5 sot23 - 3 um15327s 2.7v ud7 sot23 - 3 um15328s 2.8v ud8 sot23 - 3 um15330s 3.0v uda sot23 - 3 um15333s 3.3v ug3 sot23 - 3 um15335s 3.5v ug5 sot23 - 3 um15336s 3.6v ug6 sot23 - 3 um15338s 3. 8v ug8 sot23 - 3 um15340s 4.0v uga sot23 - 3 um15342s 4.2v ui2 sot23 - 3 um15343s 4.3v ui3 sot23 - 3 um15345s 4.5v ui5 sot23 - 3 um15347s 4.7v ui7 sot23 - 3 um15348s 4.8v ui8 sot23 - 3 um15350s 5.0v uia sot23 - 3
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 4 / 1 9 u m153xx/um154xx available voltage version (continued) pa rt number output voltage marking code package shipping qty um15313y 1.3v 5a3 sot89 - 3 1 000 pcs/ 7 i nch tape & reel um15315y 1.5v 5c5 sot89 - 3 um15318y 1.8v 5c8 sot89 - 3 um15325y 2.5v 5d5 sot89 - 3 um15327y 2.7v 5d7 sot89 - 3 um15328y 2.8v 5d8 sot89 - 3 um1 5330y 3.0v 5aa sot89 - 3 um15333y 3.3v 5g3 sot89 - 3 um15335y 3.5v 5g5 sot89 - 3 um15336y 3.6v 5g6 sot89 - 3 um15338y 3.8v 5g8 sot89 - 3 um15340y 4.0v 5ga sot89 - 3 um15342y 4.2v 5gc sot89 - 3 um15343y 4.3v 5gd sot89 - 3 um15345y 4.5v 5gh sot89 - 3 um15347 y 4.7v 5gm sot89 - 3 um15348y 4.8v 5gj sot89 - 3 um15350y 5.0v 5gn sot89 - 3 um15313da 1.3v a3 dfn4 1.81.2 3000 pcs/ 7 i nch tape & reel um15315da 1.5v a4 dfn4 1.81.2 um15318da 1.8v a5 dfn4 1.81.2 um15325da 2.5v a6 dfn4 1.81.2 um15327da 2.7v a7 dfn4 1.81.2 um15328da 2.8v a8 dfn4 1.81.2 um15330da 3.0v a9 dfn4 1.81.2 um15333da 3.3v as dfn4 1.81.2 um15335da 3.5v at dfn4 1.81.2 um15336da 3.6v au dfn4 1.81.2 um15338da 3.8v av dfn4 1.81.2 um15340da 4.0v az dfn4 1.81.2 um15342da 4.2v b2 dfn4 1.81.2 um15343da 4.3v b3 dfn4 1.81.2 um15345da 4.5v b5 dfn4 1.81.2 um15347da 4.7v b7 dfn4 1.81.2 um15348da 4.8v b8 dfn4 1.81.2 um15350da 5.0v ba dfn4 1.81.2
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 5 / 1 9 u m153xx/um154xx available voltage version (continued) part number output voltage mark ing code package shipping qty um15413s 1.3v 5fb sot23 - 5 3000 pcs/ 7 i nch tape & reel um15415s 1.5v 5fc sot23 - 5 um15418s 1.8v 5fd sot23 - 5 um15425s 2.5v 5fe sot23 - 5 um15427s 2.7v 5ff sot23 - 5 um15428s 2.8v 5fh sot23 - 5 um15430s 3.0v 5fl sot23 - 5 um15 433s 3.3v 5fm sot23 - 5 um15435s 3.5v 5fj sot23 - 5 um15436s 3.6v 5fk sot23 - 5 um15438s 3.8v 5fn sot23 - 5 um15440s 4.0v 5fp sot23 - 5 um15442s 4.2v 5fq sot23 - 5 um15443s 4.3v 5fr sot23 - 5 um15445s 4.5v 5fs sot23 - 5 um15447s 4.7v 5ft sot23 - 5 um15448s 4.8v 5fy sot23 - 5 um15450s 5.0v 5fu sot23 - 5 um15413 y 1.3v um15413 sot89 - 5 1 000 pcs/ 7 i nch tape & reel um15415 y 1.5v um15415 sot89 - 5 um15418y 1.8v um15418 sot89 - 5 um15425y 2.5v um15425 sot89 - 5 um15427y 2.7v um15427 sot89 - 5 um15428y 2.8v um15428 s ot89 - 5 UM15430Y 3.0v um15430 sot89 - 5 um15433y 3.3v um15433 sot89 - 5 um15435y 3.5v um15435 sot89 - 5 um15436y 3.6v um15436 sot89 - 5 um15438y 3.8v um15438 sot89 - 5 um15440y 4.0v um15440 sot89 - 5 um15442y 4.2v um15442 sot89 - 5 um15443y 4.3v um15443 s ot89 - 5 um15445y 4.5v um15445 sot89 - 5 um15447y 4.7v um15447 sot89 - 5 um15448y 4.8v um15448 sot89 - 5 um15450y 5.0v um15450 sot89 - 5
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 6 / 1 9 u m153xx/um154xx available voltage version (continued) part number output voltage marking code package shipping qty um15413da 1.3v a g2 dfn6 2.02.0 3000pcs/7inch tape & reel um15415da 1.5v ag3 dfn6 2.02.0 um15418da 1.8v ag4 dfn6 2.02.0 um15425da 2.5v ag5 dfn6 2.02.0 um15427da 2.7v ag6 dfn6 2.02.0 um15428da 2.8v ag7 dfn6 2.02.0 um15430da 3.0v ag8 dfn6 2.02.0 um15433da 3.3v ag9 dfn6 2.02.0 um15435da 3.5v aga dfn6 2.02.0 um15436da 3.6v agb dfn6 2.02.0 um15438da 3.8v agc dfn6 2.02.0 um15440da 4.0v agd dfn6 2.02.0 um15442da 4.2v age dfn6 2.02.0 um15443da 4.3v agf dfn6 2.02.0 um15445da 4.5v agg dfn6 2.0 2.0 um15447da 4.7v agh dfn6 2.02.0 um15448da 4.8v agj dfn6 2.02.0 um15450da 5.0v agk dfn6 2.02.0
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 7 / 1 9 u m153xx/um154xx absolute maximum ratings (note 1) s ymbol p arameter v alue u nit v in supply voltage on in pin - 0.3 to + 6.5 v v out voltage on out pin - 0.3 to + 6 .5 v v en voltage on en pin - 0.3 to +6.5 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 + 300 c recommended operating conditions (note 4) parame ter value supply input voltage 2. 2 v to 5 .5v junction temperature range - 40c to 125c ambient temperature range - 40c to 85c note 1: absolute maximum ratings are tho se values beyond which the life of a device may be impaired. not e 2: the device is guaranteed to meet pe rformance specifications from - 40 c to +85 c . specifications over the - 40 c to 125 c operating juncti on temperature range are guaranteed by design, characterization and correlation with statistical process controls. no te 3 : this ic inc ludes over temperature protection circuit inside that is intended to prot ect the device during momentary o verload conditions. o ver temperature protection trip point is around 160 c . continuous operation above the specified maximum operating junction temper ature may impair device reliability. note 4: the device is not guaranteed to function outside its operating conditions. internal block diagram c u r r e n t l i m i t v o l t a g e r e f e r e n c e v i n v o u t g n d + - e n o n / o f f c o n t r o l
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 8 / 1 9 u m153xx/um154xx electrical characteristics v in =+5 v 10%, c in =1 f, c out =1 f , t a = - 40 c to +85 c . typical conditions are at v in =5v, t a =25 c . symbol parameter test conditions min typ max unit v in input voltage range 2. 2 5.5 v v out output voltage range 1.3 5.0 v i q quiescent current i out =0ma , v in = 5.0 v 1 .2 3 a i sh dn standby current v en =0v 2 a i en h enable high c urrent v en =5.5v 1 a i enl enable low current v en =0v 1 a v ih enable input high voltage 1.0 v v il enable input low voltage 0.4 v i out output current v in 3v 100 ma v in 3.5v 200 ma out put voltage accuracy v in =v out +1v(v in 3v), 1mai out 30ma - 2.0 +2.0 % v do dropout voltage v out 2.0v, i out =30ma 2.35 - v out v 2.0v ________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 9 / 1 9 u m153xx/um154xx typical performance characteristics um15318s,vin=3.5v um15318s um15318s, vin=3.5v um15318s, vin=3.5v um15318s,ta=25 um1531 5 s, vin=3. 0 v um15318s, vin=3.5v quiescent current vs input voltage quiescent current vs ambient temperature output voltage vs input voltage output voltage vs ambient temperature output voltage vs output current output voltage vs output current output voltage vs output current 1.780 1.785 1.790 1.795 1.800 1.805 1.810 1.815 1.820 0 50 100 150 200 250 300 output current (ma) output voltage (v) output voltage vs input voltage 1.770 1.775 1.780 1.785 1.790 1.795 1.800 1.805 2.1 2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.7 input voltage (v) output voltage (v) iout=40ma iout=100ma output voltage vs ambient temperature 1.770 1.780 1.790 1.800 1.810 1.820 1.830 1.840 1.850 -40 -25 -10 5 20 35 50 65 80 95 ambient temperature ( ) output voltage (v) quiescent current vs ambient temperature 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 -40 -20 0 20 40 60 80 100 120 temperature ( ) quiescent current (ua) quiescent current vs input voltage 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 2 2.5 3 3.5 4 4.5 5 5.5 input voltage (v) quiescent current (ua)
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 10 / 1 9 u m153xx/um154xx typical performance characteristics (continued) vin=3. 5v to 4. 5 v (10 0mv/div ) vout=1.8 v, iout=10ma um15318s 50 s/div um15318s 50 s/div vin=3.5v, vout=1.8v 10 0mv/div (2 v/div ) iload =10 ma to 10 0ma (10 0ma/ div) um153 33 s, vin= 4.3 v um153 33 s um153 18 s um153 15 s output voltage vs output current dropout voltage vs output current dro pout voltage vs output current dropout voltage vs output current line transient response load transient response
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 11 / 1 9 u m153xx/um154xx typical performance characteristics (continued) t ypical application circuit application s information output capacitance and transient response the um153xx /um154xx series regulator s are designed to be stable with a wide range of output capacitors. the esr of the output capacitor affects stability, most notably with small capaci tors. a minimu m output capacitor of 1 f with an esr of 0.3 or less is recommended to ensure stability. the device s output transient response will be a function of output capacitance. larger values of psrr vs frequency um15340s io=10ma io=100ma g n d v o u t v i n c i n 1 f ( c e r a m i c ) c o u t 1 f ( c e r a m i c ) u m 1 5 3 x x g n d v o u t v i n c i n 1 f ( c e r a m i c ) c o u t 1 f ( c e r a m i c ) u m 1 5 4 x x e n o f f o n
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 12 / 1 9 u m153xx/um154xx output capacitance decrease the peak deviations and provide improved transient response for larger load current changes. extra consideration must be given to the use of ceramic capacitors. the x5r and x7r dielectrics result in more stable characteristics and are more suitable for use as the output capacitor. the x7r type h as better stability across temperature, while the x5r is less expensive and is available in higher values. thermal protection thermal protection disables the output when the junction tempera ture rises to approximately +1 6 0 c allowing the device to cool. w hen the junction temper ature cools to approximately +1 40 c the output circuit is again enabled .
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 13 / 1 9 u m153xx/um154xx package information um153xx s sot23 - 3 outline drawing dimensions symbol millimeters inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950ref 0.037ref e1 1.800 2.000 0.071 0.079 l 0.550ref 0.022ref l 1 0.300 0.600 0.012 0.024 0 8 0 8 land pattern notes: 1. compound dimension: 2.921.60 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation d e 1 e l e e 1 3 1 2 0 . 2 1 . 9 0 2 . 0 2 0 . 8 0 x x x m
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 14 / 1 9 u m153xx/um154xx um 153xxy sot89 - 3 outline drawing dimensions symbol millimeters inches min max min max a 1.400 1.600 0.055 0.063 b 0.320 0.520 0.013 0.020 b1 0 .400 0.580 0.016 0.023 c 0.350 0.440 0.014 0.017 d 4.400 4.600 0.173 0.181 d1 1.55ref 0.061ref e 2.300 2.600 0.091 0.102 e1 3.940 4.250 0.155 0.167 e 1.5typ 0.06typ e1 3 typ 0.118 typ l 0.900 1.200 0.035 0.047 land pattern notes: 1. compound dimension: 4.5 2.45 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation d 1 d e 1 l e e 1 b b 1 e a c 1 . 7 0 . 4 0 . 9 1 . 5 1 . 3 2 . 7 1 . 9 5 x x m
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 15 / 1 9 u m153xx/um154xx um153xxda dfn4 1.81.2 out line drawing dimensions symbol millimeters inches min typ max min typ max d 1.15 1.20 1.25 0.046 0.048 0.050 e 1.75 1.80 1.85 0.070 0.072 0.074 d2 0.75 0.85 0.95 0.030 0.034 0.038 e2 0.70 0.80 0.90 0.028 0.032 0.036 a 0.545 0.575 0.605 0.022 0.023 0.024 a1 0 0.02 0.05 0 0.001 0.002 a3 0.13typ 0.005typ b 0.25 0.30 0.35 0.010 0.012 0.014 l 0.25 0.30 0.35 0.010 0.012 0.014 e 0.65 typ 0.026 typ z 0.125typ 0.005typ land pattern n otes: 1. compound dimension: 1.8 0 1.2 0 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation e d d 2 r 0 . 1 5 0 ( p i n # 1 i d ) e e 2 z ( 4 ) ( 4 ) b ( 4 ) l b o t t o m v i e w a 1 a 3 s i d e v i e w a 0 . 6 5 1 . 5 0 0 . 7 5 0 . 7 0 0 . 3 5 0 . 4 0 m x x
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 16 / 1 9 u m153xx/um154xx u m154xxs sot23 - 5 outline drawing dimensions symbol millimeters inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950ref 0.037ref e1 1.800 2.000 0.071 0.079 l 0.300 0.600 0.012 0.024 0 8 0 8 land pattern notes: 1. compound dimension: 2.921.60; 2. unit: mm; 3. general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation 1 2 3 4 5 b d e 1 e e 1 e t o p v i e w 0 . 6 0 0 . 9 0 2 . 4 0 0 . 9 5 0 . 9 5 m x x x
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 17 / 1 9 u m153xx/um154xx um1 54xxy sot89 - 5 outline drawing dimensions symbol millimeters inches min max min max a 4.40 4.60 0.176 0.184 b 4.05 4.25 0.162 0.170 c 1.50 1.70 0.060 0.068 e 2.40 2.60 0.096 0.104 f 0.80 - 0. 032 - g 3.00 ref 0.120 ref h 1.50 ref 0.060 ref i 0.40 0.52 0.016 0.021 j 1.40 1.60 0.056 0.064 k 0.35 0.43 0.014 0.017 l 5 typ 5 typ 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 c a e f f b i h g k j l 1 b o t t o m v i e w s i d e v i e w e n d v i e w 1 . 7 5 4 0 . 5 7 2 0 . 6 2 2 1 . 5 0 0 . 4 5 2 . 7 9 1 . 3 0 1 . 5 0 4 . 6 5 1 . 5 0 1 u m 1 5 4 x x x x
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 18 / 1 9 u m153xx/um154xx um154xxda dfn6 2.02.0 outline drawing dimensions symbol millimeters inches min typ max min typ max a 0.57 0.60 0.63 0.023 0.024 0.025 a1 0 0.03 0.05 0 0.001 0.002 a3 0.15typ 0.006typ b 0.20 0.25 0.30 0.008 0.010 0.012 d 1.95 2.00 2.075 0.078 0.080 0.083 d2 1.45 1.55 1.65 0.058 0.062 0.066 e 1.95 2.00 2.075 0.078 0.080 0.083 e 2 0.76 0.86 0.96 0.030 0.034 0.038 e 0.65typ 0.026typ l 0.30 0.35 0.40 0.012 0.014 0.016 land pattern notes: 1. compound dimension: 2.00 2. 0 0 2. unit: mm; 3. general tolerance 0.0 5 mm unless othe rwise specified; 4. the layout is just for reference. tape and reel orientation d 2 / 2 d 2 d e 2 / 2 e 2 e e b l r 0 . 1 0 0 b o t t o m v i e w a 1 a a 3 s i d e v i e w 1 . 0 0 1 . 2 0 2 . 5 0 0 . 6 5 0 . 6 5 0 . 2 5 x x x m
________________________________________________________________________ http://www.union - ic.com rev .0 7 dec .20 1 4 19 / 1 9 u m153xx/um154xx important notice the information in this document has been carefully reviewed and is believed to be accurate. nonetheless, this document is subject to change 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 upda te. union reserves 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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