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________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 1 / 12 u m153xx/um154xx ultra low quiescent current linear regulator um 153 xxs sot23 - 3 um 153 xx y sot 89 - 3 um154xxs sot23 - 5 general description the um153xx /um154xx series are ultra low quiescent current low dropout linear regulator s designed for l ow 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 to be in shutdown state by inputting low level signal. the um153xx /um154xx se ries 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 or sot89 - 3 pa ckage . the um154xx is available in a low profile sot23 - 5 package. applications features ? battery - powered systems ? reference voltage sources ? cameras, video cameras ? portable av systems ? portable games ? cellular phones ? maximum input voltage : 5.5v ? 2 . 0 % volt age accuracy at 3 0ma ? fast transient response ? output current limit ? stable with 1 f output capacitor ? thermal overload protection ? low profile sot23 - 3 or sot89 - 3 package (um153xx) low profile sot23 - 5 package(um154xx) um153xx series pin configurations & top view m: month code um153xxs sot23 - 3 m: month code um153xx y sot 89 - 3 g n d v o u t v i n 1 2 3 1 2 3 x x x m 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
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 2 / 12 u m153xx/um154xx um154xx series pin configurations & top view pin descripti on pin number symb o l function um153xxs um153xxy um154xxs 3 2 1 vin power supply 1 1 2 gnd ground - - 3 en enable input, active high - - 4 nc not connected 2 3 5 vout voltage regulated output available voltage version part number output voltage marking 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 um15433s 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 um15 4 48 s 4.8 v 5fy sot23 - 5 um1545 0 s 5.0 v 5fu sot23 - 5 m: month code um154xxs sot23 - 5 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
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 3 / 12 u m153xx/um154xx available voltage version (continued) part number output voltage marking code package shipping qty um15313s 1.3v uc3 sot23 - 3 3000 pcs/ 7 i nch tape & reel um15315s 1.5v uc5 sot23 - 3 um15318s 1.8v uc8 so t23 - 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 um15313y 1.3v 5a3 sot89 - 3 1 000 pcs/ 7 i nch tape & reel um15315y 1.5v 5c5 sot89 - 3 um1 5318y 1.8v 5c8 sot89 - 3 um15325y 2.5v 5d5 sot89 - 3 um15327y 2.7v 5d7 sot89 - 3 um15328y 2.8v 5d8 sot89 - 3 um15330y 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 um15340 y 4.0v 5ga sot89 - 3 um15342y 4.2v 5gc sot89 - 3 um15343y 4.3v 5gd sot89 - 3 UM15345Y 4.5v 5gh sot89 - 3 um15347y 4.7v 5gm sot89 - 3 um15348y 4.8v 5gj sot89 - 3 um15350y 5.0v 5gn sot89 - 3
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 4 / 12 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) 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 whi ch 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 cor relation with statistical process controls. no te 3 : this ic includes 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 temperature 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 4 f e b .20 1 4 5 / 12 u m153xx/um154xx electrical charac teristics 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 ou t =0ma , v in = 5.0 v 1 .2 3 a i shdn standby current v en =0v 1 a i en h enable high c urrent v en =5.5v 1 a i enl enable low current v en =0v 1 a i out output current v in 3v 100 ma v in 3.5v 200 ma output voltage accuracy v in =v out +1v(v in 3v ), 1 ma i out 3 0ma - 2.0 +2.0 % v do dropout voltage v out 2.0 v, i out = 3 0ma 2. 35 - v out v 2.0v ________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 6 / 12 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 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 4 f e b .20 1 4 7 / 12 u m153xx/um154xx typical performance characteristics (continu ed) line transient response load transient response 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
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 8 / 12 u m153xx/um154xx t ypical application circuit applications information output capacitance and tran sient 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 minimum 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 output capacitance decrease the peak deviations and provide improved transient response for larger load curren t 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 has better stability across temperature, wh ile 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. when the junction temper ature cools to appr oximately +1 40 c the output circuit is again enabled . 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 4 f e b .20 1 4 9 / 12 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: 2.92 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 d e 1 e l e e 1 3 1 2 0 . 2 1 . 9 0 2 . 0 2 0 . 8 0
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 10 / 12 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 4 f e b .20 1 4 11 / 12 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: 2.92 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 1 2 3 4 5 b d e 1 e e 1 e t o p v i e w 0 . 7 0 0 . 9 0 2 . 4 0 0 . 9 5 0 . 9 5 m x x x
________________________________________________________________________ http://www.union - ic.com rev .0 4 f e b .20 1 4 12 / 12 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 m ay 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 reserves the right to make changes, at any time, in order to improve reliability, f unction or design and to attempt to supply the best product possible. union semiconductor, inc add : 2 f, no. 3 , lane647 songtao road, shanghai 201203 tel: 021 - 5109 3966 fax: 021 - 51026018 website: www.union - ic.com

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