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low i q , low dropout 900ma fixed voltage regulator copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 1 anpec reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. features design with an internal p-channel mosfet pass transistor, the apl5901/2 maintains a low supply current, independent of the load current and dropout voltage. other features include reverse current protection, thermal-shutdown protection, current limit protection to ensure specified output current and con- trolled short-circuit current. the apl5901/2 regulator come in a miniature sot-89, sot-89-5, sot-223, so- 8, to-252 and to-252-5 packages. applications ? notebook computer ? pda or portable equipments ? noise-sensitive instrumentation systems ? ? ? ? ? low noise : 50 v rms (100hz to 100khz) ? ? ? ? ? low quiescent current : 50 a (no load) ? ? ? ? ? low dropout voltage : 210mv (@900ma) ? ? ? ? ? very low shutdown current : < 1 a ? ? ? ? ? fixed output voltage : 1.3v ~ 3.4v ? ? ? ? ? stable with 4.7 f output capacitor ? ? ? ? ? stable with aluminum , tantalum or ceramic capacitors . ? ? ? ? ? reverse current protection ? ? ? ? ? no protection diodes needed ? ? ? ? ? built in thermal protection ? ? ? ? ? built in current limit protection ? ? ? ? ? controlled short circuit current : 200ma ? ? ? ? ? fast transient response ? ? ? ? ? short setting time ? ? ? ? ? sot-89, sot-89-5, sot-223, so-8 ,to-252 and to-252-5 packages pin configuration sot-89 (top view) v in gnd v out 123 tab is gnd so-8 (top view) sot-223 (top view) 1 2 3 45 6 7 8 in gnd gnd shdn byp gnd gnd out v out gnd v in 123 tab is gnd to-252-5 (top view) tab is gnd 123 v out v in general description the apl5901/2 is micropower, low noise, low dropout linear regulator. operate from 2.7v to 6v input voltage and deliver up to 900ma. typical output noise is just 50 v rms with the addition of an external 0.1 f by- pass capacitor in bp pin and typical dropout voltage is only 210mv at 900ma loading. designed for use in battery-powered system, the low 50 a quiescent cur- rent makes it an ideal choice. to-252 (top view) apl5901 bp v out gnd v in 12345 tab is gnd shdn sot-89-5 (top view) v in gnd v out 123 54 shdn bp gnd
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 2 package code d : s o t-89 d 5 : so t-89-5 u : to -252 u5 : to-252-5 v : sot-223 k : so-8 temp. range c : 0 to 70 c handling code tr : tape & reel voltage code : 13 : 1.3v ~ 34 : 3.4v apl5901/2 - handling code temp. range package code voltage code apl5901/2 xxxxx13 apl5901/2 - 13 d/v/k : xxxxx - date c ode , 13 - 1.3v 13 apl5901/2 xxxxx apl5901/2 - 13 u : xxxxx - date c ode , 13 - 1.3v pin description pin no. name i/o description 1v in i supply voltage input. 2gnd ground pins of the circuitry, and all ground pins must be soldered to pcb with proper power dissipation. 3 shdn (note1) i shutdown control pin, low = off , high = normal . 4bp (note1) o bypass signal pin in fixed output type device 5v out o output pin of the regulator. ordering and marking information pin configuration (cont.) sot-223 (top view) v in v out gnd 123 tab is v out apl5902 note1 : these pins do not exist in 3-pin package.
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 3 unless otherwise noted these specifications apply over full temperature, v in =3.6v, c in =1 f, c out =4.7 f, shdn=v in , t j =0 to 125 c. typical values refer to t j =25 c. symbol parameter rating unit v in , v out input voltage or out voltage 6 v shdn shutdown control pin 6v r th,ja thermal resistance ? junction to ambient sot-89 : 180 sot-223 : 135 so-8 : 150 to-252 : 50 c/w p d power dissipation internally limited w t j operating junction temperature c control section 0 to 125 power transistor 0 to 150 t stg storage temperature range -65 to +150 c t l lead temperature (soldering, 10 second) 260 c absolute maximum ratings electrical characteristics apl5901/2 symbol parameter test conditions min. typ. max. unit v in input voltage 2.7 6 v v out output voltage v out +1.0v< v cc <6.0v, 0ma< i out < i max v out -2 % v out v out +2 % v i limit circuit current limit v in =4.3v 1.5 a i short short current v out =0v 200 ma i out load current 900 ma reg line line regulation v out +0.5v< v cc <6.0v, 0ma< i out < i max 410mv reg load load regulation v in =v out +1.0v, 0ma< i out < i max 1 6 mv v drop dropout voltage (note2) (v out (nominal)=3.0v version) i out =900ma 210 300 mv psrr ripple rejection f 1khz, 1vpp at v in = v out +1.0v 55 65 db no load 50 100 i q quiescent current i out =900ma 370 450 a shutdown supply current (note3) shutdown = low i out =0, v cc =6.0v 0.01 1 a 100hz copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 4 apl5901/2 symbol parameter test conditions min. typ. max. unit ots over temperature shutdown 150 c over temperature shutdown hysteresis hysteries 10 c tc output voltage temperature coefficient 50 ppm/ c c out output capacitor 4.2 4.7 5.2 f esr 0.02 0.1 1 ohm shutdown input threshold (note3) v out +1.0v< v in <6.0v 0.4 0.7 1.6 v i shdn shutdown input bias current (note3) v shdn =v in 0.01 100 na input reverse leakage current v out -v in =0.1v 0.1 0.5 a reverse protection threshold 11 50 mv application circuit bp v out v in gnd shdn vout c in 1 f off on apl5901 input 2.7v to 6v 0.1 f c bp c out 4.7 f electrical characteristics (cont.) note 2 : dropout voltage definition : v in -v out when v out is 2% below the value of v out for v in = v out + 0.5v note 3 : for 5-pin devices only. unless otherwise noted these specifications apply over full temperature, v in =3.6v, c in =1 f, c out =4.7 f, shdn=v in , t j =0 to 125 c. typical values refer to t j =25 c.
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 5 apl5901/2-33 apl5901/2-33 apl5901/2-33 0 0.5 1 1.5 2 2.5 3 3.5 0123456 0 50 100 150 200 250 300 350 0123456 0 50 100 150 200 250 300 350 400 0 150 300 450 600 750 900 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 typical characteristics current limit vs. input voltage input voltage (v) current limit (ma) ground pin current vs. output current ground pin current vs. load current (ua) output current (ma) ground pin current vs. input voltage input voltage (v) ground pin current vs. load current (ua) input voltage vs. output voltage input voltage (v) output voltage (v) apl5901/2-33
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 6 apl5901/2-33 apl5901/2-33 -100 +0 -90 -80 -70 -60 -50 -40 -30 -20 -10 20 200k 50 100 200 500 1k 2k 5k 10k 20k 50k 100k 0.4 0.5 0.6 0.7 0.8 0.9 1 3 3.5 4 4.5 5 5.5 6 -12 -10 -8 -6 -4 -2 0 00.511.522.53 0 50 100 150 200 250 0 150 300 450 600 750 900 typical characteristics shdn threshold voltage vs. input voltage shdn threshold voltage (v) input voltage (v) psrr vs. frequency frequency (h z ) psrr (db) i out =50ma c out =10uf c bp =0.1uf output current vs. output voltage output current (ua) output voltage (v) output current (ma) dropout voltage (mv) v in =0v v in =0v v in =4v v in =5v apl5901/2-33 apl5901/2-33 dropout voltage vs. output current
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 7 0 50 100 150 200 250 300 350 400 450 500 0 0.1 0.2 0.3 0.4 -100u 100u -80u - 60u -40u -20u 0 20u 40u 60u 80u 010m 2m 4m 6m 8m typical characteristics output noise time (s) v out (50uv/div) v in= 4.3v i out =0ma c out =10uf c bp =0.1uf output noise vs. bypass capacitor output noise (uv) bypass capacitor (uf) load-transient response output voltage (50mv/div) time (10 s/div) v out i out =1ma~900ma time (40 s/div) v out v in line-transient response v in =v out +1v c out =4.7 f output voltage (20mv/div) apl5901/2-33 apl5901/2-33 apl5901/2-33 apl5901/2-33 4v 3v
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 8 0.001 0.01 0.1 1 0 150 300 450 600 750 900 v out c out =1 f no load typical characteristics entering shutdown time (1ms/div) v out v shdn shutdown exit delay time (20ms/div) v out v shdn c bp =100nf no load time (200ms/div) v out =3.3v region of stable esr vs. load current load current (ma) c out esr ( ? ) shutdown exit delay unstable stable apl5901/2-33 apl5901/2-33 apl5901/2-33 apl5901/2-33 3.3v 4v 3.3v 4v 0v 0v 0v 0v 3.3v 4v 0v 0v c bp =10nf no load
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 9 3.25 3.27 3.29 3.31 3.33 3.35 -40 0 40 80 120 typical characteristics output voltage vs. temperature temperature (c ) output voltage (v) apl5901/2-33
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 10 the minimum input-output voltage difference (dropout) determines the lowest usable supply voltage. in bat- tery-powered systems, this will determine the useful end-of-life battery voltage. because the apl5901/2 use a p-channel mosfet pass transistor, the drop- out voltage is a function of drain-to-source on-resis- tance (r ds(on) ) multiplied by the load current. the apl5901/2 load-transient response graphs in typi- cal characteristics show the transient response. a step change in the load current from 10ma to 900ma at 10 s will cause a 20mv transient spike. larger output capacitor and lower esr can reduce transient spike. application information capacitor selection and regulator stability the apl5901/2 use at least a 1 f capacitor on the input, and this capacitor can be aluminum, tantalum or ceramic capacitor. the input capacitor with larger value and lower esr provides better psrr and line- transient response. the output capacitor also can use aluminum, tantalum or ceramic capacitor, and a mini- mum value of 4.7 f and esr above 0.02 ? is recommended. a larger output capacitor can reduce noise and improve load-transient response, stability, and psrr. note that some ceramic dielectrics ex- hibit large capacitance and esr variation with temperature. when using this capacitor, a minimum 10uf or more may be required to ensure the stability at low temperature operation. use a bypass capaci- tor at bp pin for low output nvise. increasing the ca- pacitance will slightly decrease the output noise, but increase the start-up time. load-transient considerations input-output (dropout)voltage reverse current protection the apl5901/2 have an internal reverse protection, it does not need an external schottky diode to connect the regulator input and output. if the output voltage is forced above the input voltage by more than 11mv, the ic will be shutdown and the ground pin current is below 0.1ua. current limit the apl5901/2 have a current limit protection. the ouptut voltage will drop close to zero volt, when load current reaches the limit, and then the load current will be limited at 200ma after output voltage is below 0.7v. when the load current back to the value where limiting started, the output voltage and current will re- turn to normal value. when output is shorted to ground, the apl5901/2 will keep short circuit current at 200ma .
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 11 thermal protection limits total power dissipation in the device. when the junction temperature exceeds t j =+150 , the thermal sensor generates a logic sig- nal to turn off the pass transistor and allows ic to cool. when the ic?s junction temperature is down by 10 , the thermal sensor will turn the pass transistor on again, resulting in a pulsed output during continu- ous thermal protection. thermal protection is designed to protect the apl5901/2 in the event of fault conditions. for continuous operation, do not exceed the absolute maximum junction temperature of t j =+150 . operating region and power dis- sipation the thermal resistance of the case to circuit board, and the rate of air flow all control the apl5901/2?s maximum power dissipation. the power dissipation across the device is p d = i out (v in -v out ) and the maxi- mum power dissipation is: p dmax = (t j -t a ) / ( jc + ca ) where t j -t a is the temperature difference between the junction and ambient air, jc is the thermal resis- tance of the package, and ca is the thermal resis- tance through the printed circuit board, copper traces, and other materials to the ambient air. the gnd pin of the apl5901 provide an electrical con- nection to ground and channeling heat away. if power dissipation is large, connect the gnd pin to ground using a large pad or ground plane, can improve the problem of over heat of ic. thermal protection
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 12 packaging information millimeters inches dim min. max. min. max. a 1.35 1.75 0.053 0.069 a1 0.10 0.25 0.004 0.010 d 4.80 5.00 0.189 0.197 e 3.80 4.00 0.150 0.157 h 5.80 6.20 0.228 0.244 l 0.40 1.27 0.016 0.050 e1 0.33 0.51 0.013 0.020 e2 1.27bsc 0.50bsc 18 8 h e e1 e2 0.015x45 d a a1 0.004max. 1 l sop-8 pin ( reference jedec registration ms-012)
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 13 sot-223( reference jedec registration sot-223) b1 d h e k e e1 a c l a1 a b b millimeters inches dim min. max. min. max. a 1.50 1.80 0.06 0.07 a1 0.02 0.08 b 0.60 0.80 0.02 0.03 b1 2.90 3.10 0.11 0.12 c 0.28 0.32 0.01 0.01 d 6.30 6.70 0.25 0.26 e 3.30 3.70 0.13 0.15 e 2.3 bsc 0.09 bsc e1 4.6 bsc 0.18 bsc h 6.70 7.30 0.26 0.29 l 0.91 1.10 0.04 0.04 k 1.50 2.00 0.06 0.08 0 10 0 10 13 13 packaging information
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 14 packaging information d d1 e b1 e1 b 12 3 l h e c a a a sot-89 (reference eiaj ed-7500a reg stration sc-62) millimeters inches dim min. max. min. max. a 1.40 1.60 0.055 0.063 b 0.40 0.56 0.016 0.022 b1 0.35 0.48 0.014 0.019 c 0.35 0.44 0.014 0.017 d 4.40 4.60 0.173 0.181 d1 1.35 1.83 0.053 0.072 e 1.50 bsc 0.059 bsc e1 3.00 bsc 0.118 bsc e 2.29 2.60 0.090 0.102 h 3.75 4.25 0.148 0.167 l 0.80 1.20 0.031 0.047 10 10
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 15 packaging information sot-89-5 millimeters inches dim min. max. min. max. a 4.40 4.60 0.17 0.18 b 4.05 4.25 0.16 0.17 c 1.50 1.70 0.06 0.07 d 1.30 1.50 0.05 0.06 e 2.40 2.60 0.09 0.1 f 0.80 - 0.03 - g 3.00 ref 0.12 ref h 1.50 ref 0.06 ref i 0.40 0.52 0.01 0.02 j 1.40 1.60 0.05 0.06 k 0.35 0.41 0.01 0.02 l 5 typ 0.2 typ
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 16 packaging information to-252-5 millimeters inches dim min. max. min. max. a 6.40 6.80 0.25 0.26 b 5.20 5.50 0.20 0.21 c 6.80 7.20 0.26 0.27 d 2.20 2.80 0.08 0.11 p 1.27 ref 0.05 ref s 0.50 0.80 0.02 0.03 h 2.20 2.40 0.08 0.09 j 0.45 0.55 0.01 0.02 k 0 0.15 0 0.006 l 0.90 1.50 0.03 0.06 m 5.40 5.80 0.21 0.22 l k j h b a c m d p s
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 17 packaging information to-252( reference jedec registration to-252) millimeters inches dim min. max. min. max. a 2.18 2.39 0.086 0.094 a1 0.89 1.27 0.035 0.050 b 0.508 0.89 0.020 0.035 b2 5.207 5.461 0.205 0.215 c 0.46 0.58 0.018 0.023 c1 0.46 0.58 0.018 0.023 d 5.334 6.22 0.210 0.245 d1 5.2 ref 0.205 ref e 6.35 6.73 0.250 0.265 e1 5.3 ref 0.209 ref e1 3.96 5.18 0.156 0.204 h 9.398 10.41 0.370 0.410 l 0.51 0.020 l1 0.64 1.02 0.025 0.040 l2 0.89 2.032 0.035 0.080 l2 d l1 b b2 e c1 a h l c a1 e1 d1 e1
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 18 physical specifications pre-heat temperature 183 c peak temperature time temperature classification reflow profiles convection or ir/ convection vpr average ramp-up rate(183 c to peak) 3 c/second max. 10 c /second max. preheat temperature 125 25 c) 120 seconds max temperature maintained above 183 c 60 ? 150 seconds time within 5 c of actual peak temperature 10 ?20 seconds 60 seconds peak temperature range 220 +5/-0 c or 235 +5/-0 c 215-219 c or 235 +5/-0 c ramp-down rate 6 c /second max. 10 c /second max. time 25 c to peak temperature 6 minutes max. package reflow conditions pkg. thickness 2.5mm and all bgas pkg. thickness < 2.5mm and pkg. volume 350 mm3 pkg. thickness < 2.5mm and pkg. volume < 350mm3 convection 220 +5/-0 c convection 235 +5/-0 c vpr 215-219 c vpr 235 +5/-0 c ir/convection 220 +5/-0 c ir/convection 235 +5/-0 c terminal material solder-plated copper (solder material : 90/10 or 63/37 snpb) lead solderability meets eia specification rsi86-91, ansi/j-std-002 category 3. reference jedec standard j-std-020a april 1999 reflow condition (ir/convection or vpr reflow)
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 19 r eliability test program test item method description solderability mil-std-883d-2003 245 c , 5 sec holt mil-std-883d-1005.7 1000 hrs bias @ 125 c pct jesd-22-b, a102 168 hrs, 100 % rh , 121 c tst mil-std-883d-1011.9 -65 c ~ 150 c, 200 cycles esd mil-std-883d-3015.7 vhbm > 2kv, vmm > 200v latch-u p jesd 78 10m s , i tr > 100ma carrier tape a j b t2 t1 c t ao e w po p ko bo d1 d f p1
copyright ? anpec electronics corp. rev. b.1 - jun., 2003 apl5901/2 www.anpec.com.tw 20 cover tape dimensions anpec electronics corp. head office : 5f, no. 2 li-hsin road, sbip, hsin-chu, taiwan, r.o.c. tel : 886-3-5642000 fax : 886-3-5642050 taipei branch : 7f, no. 137, lane 235, pac chiao rd., hsin tien city, taipei hsien, taiwan, r. o. c. tel : 886-2-89191368 fax : 886-2-89191369 customer service reel dimensions a pp lication a b c j t1 t2 w p e

d1 po p1 ao bo ko t sop- 8 a pp lication a b c j t1 t2 w p e 178 1 70 2 13.5 0.15 3 0.15 14 2 1.3 0.3 12 + 0.3 12 - 0.1 8 0.1 1.75 0.1 f d d1 po p1 ao bo ko t sot-89 5.5 0.05 1.5 0.1 1.5 0.1 4.0 0.1 2.0 0.1 4.8 0.1 4.5 0.1 1.80 0.1 0.3 0.013 a pp lication a b c j t1 t2 w p e 330 162 1.5 12.75 0.15 2 0.6 12.4 +0.2 2 0.2 12 0.3 8 0.1 1.75 0.1 f d d1 po p1 ao bo ko t sot-223 5.5 0.05 1.5+ 0.1 1.5+ 0.1 4.0 0.1 2.0 0.05 6.9 0.1 7.5 0.1 2.1 0.1 0.3 0.05 a pp lication a b c j t1 t2 w p e 330 3 100 2 13 0. 5 2 0.5 16.4 + 0.3 -0.2 2.5 0.5 16+ 0.3 - 0.1 8 0.1 1.75 0.1 f d d1 po p1 ao bo ko t to-252 7.5 0.1 1.5 +0.1 1.5 0.25 4.0 0.1 2.0 0.1 6.8 0.1 10.4 0.1 2.5 0.1 0.3 0.05 application carrier width cover tape width devices per reel sop- 8 12 9.3 2500 sot- 89 12 9.3 1000 sot- 223 12 9.3 2500 to- 252 16 13.3 2500

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