rp153l series dual 150ma ldo with 2 input pins no.ek-201-100112 dual cmos ldo regulator the rp153l series are cmos-based dual output ldo regulators featuring 150ma output with 2 input pins. various basic performance s of the rp series have been improved by adopting a new manufacturing process. rp153l features a supply current as low as 40 a per output, a minimum input voltage from 1.4v and the output voltage can be set from 0.8v to 3.6v (in 0.1v steps). due to the low minimum input voltage. rp153l is able to extend battery life, additionally the ldo has less power dissipation by the low dropou t voltage between input and output. the enhanced load transient response version available. rp153l is available in dfn1216-8 package. features ? supply current (i ss ) typ. 40 a 2 (a/b version, v in =set v out +1v) ? supply current (i ss ) typ. 85 a 2 (d/e version, v in =set v out +1v) ? standby current (i standby ) typ. 0.1 a 2 (same as above, at standby) ? dropout voltage (v dif ) typ. 0.22v (i out =150ma, v out =2.8v) ? ripple rejection (rr) typ. 70db (f=1khz) ? input voltage range (v in ) 1.4v to 5.25v ? output voltage range (v out ) 0.8v to 3.6v ? (internally fixed) ? output voltage accuracy 1% ? temp. coeff. of output voltage typ. 80ppm/ c ? line regulationtyp. 0.02%/v ? fold-back protection circuitcurrent limit typ. 40ma ? auto-discharge function b/e version ? enhanced load transient response d/e version ? packagedfn1216-8 ? ceramic capacitor can be used. 0.22 f or more ? ) for information about combination of out put voltage, visit our website to check. (the above shows specification at topt=25 c. design assurance value at -40 c < = < = c is also available. for details, please refer to the datasheet.) block diagrams rp153lxxxa/d rp153lxxxb/e (without auto-discharge function) (with auto-discharge function) r1_1 r2_1 current limit vref error amp + - v out2 gnd v out1 v dd1 ce2 r1_2 r2_2 current limit vref error amp + - ce1 v dd2 r1_1 r2_1 current limit vref error amp + - v out2 gnd v out1 ce2 r1_2 r2_2 current limit vref error amp + - v dd1 ce1 v dd2 selection guides package quantity per reel part no. dfn1216-8 5,000 pcs rp153l . xxx ? -e2 . xxx . : specify a combination of output voltage for each output using serial numbers. . ? : select from ( . a . ) without auto-discharge function or ( . b . ) with auto-discharge function or ( . d . ) enhanced load transient response and without auto-discharge function or ( . e . ) enhanced load transient response and with auto-discharge function. package typical characteristic dfn1216-8 top view bottom view 2 7 3 6 4 5 1 8 3 6 2 7 1 8 4 5 ? 1 gnd ? 1 2 v out1 3 v out2 4 gnd ? 1 5ce2 6v dd2 7v dd1 8ce1 rp153l (vr1/vr2) dropout voltage vs. output current 0 300 v out =2.5v 250 150 200 100 50 0 125 50 75 100 25 150 output current i out (ma) dropout voltage v dif (mv) 85 c 25 c -40 c ? ) the tab is substrate level (gnd). ? 1) the gnd pin must be wired toge ther when it is mounted on board. applications ? power source for hand-held communication equipment, cameras, and vcrs ? power source for home appliances ? power source for battery-powered equipment
rp153l series cmos ldo regulator dual 150ma ldo with 2 input pins the currently available informat ion as of january 2010 is provided in this new product news. ek-201-100112 dual input and dual output enha nced load transient version due to the low minimum input voltage rp153l is able to extend battery life, additionally the ldo has less power dissipation by the low dropout voltage between input and output. rp153l uses a small dfn1216-8 package. 3.6v 2.5v rp153l 1.8v 1.2v energy loss and power dissipation are small 1.2mm 1.6mm size small package available. single input type rp152x has a sequence control another dual ldo rp152x is avail able with similar electrical specifications like rp153l but with one shared input pin. the rp152x has a new optional start-up sequence offers output vr2 to start-up 100 s delayed after vr1. as for the shut-down sequence, the discharge period for vr2 is 5 times shorter compared to vr1. it uses a small dfn1212-6 and sot23-6 package. ce1 v out1 v out2 ce2 discharges 5 times earlier 100 s rp152x the rp153lxxxd/e versions have enhanced load transient response characteristics. in case of an increase in output current, the voltage drop and recovery period is significantly lower compared to the rp153lxxxa/b versions. load transient response of rp153l 200 2.5 2.4 2.5 2.4 0 102030 time t ( s) a/b versions output current 1ma ? 150ma d/e versions 40 50 60 70 80 90 100 0 output current i out (ma) output voltage v out (v) dual 150ma ldo regulator comparison rp152x series rp153l series r5323x series output current (min.) 150ma 150ma 150ma supply current (typ.) 40 2 40 ? 2 standby current (typ.) 0.1 20.1 2 dropout voltage 0.22v 0.22v 0.22v input voltage range 1.4v to 5.25v 1.4v to 5.25v 2.0v to 6.0v output voltage range 0.8v to 3.6v 0.8v to 3.6v 1.5v to 4.0v output voltage accuracy 1% c to 85 c -40 c to 85 c-40 c to 85 c packages dfn1212-6, sot-23-6 dfn1216-8 wlcsp-6-p1, dfn ( plp ) 1 820-6, sot-23-6 etc. with auto-discharge function, with sequence control function with auto-discharge function, with enhanced load transient response with auto-discharge function note) rp152x is not pin compatible to r5323x. ? ) supply current for the enhanced load transient version is 85 a 2. (image chart) (image chart)
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