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copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 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. micropower microprocessor reset circuit features general description applications ? computers ? cell phones ? portable electronics ? p power supply monitoring the apr3001/2/3 are designed to monitor voltage supplies in p and digital systems. the quiescent current is extremely low, typically 1.5 a, making it ideal for portable battery operated equipment. the apr3001/2/3 operate by monitoring the system power supply voltage. when the input voltage drops below a fixed threshold, the device asserts a reset signal for a fixed time period after vcc rises above the fixed threshold. the apr3001/2/3 series is avail- able with three output stage versions : apr3001 push-pull active low output, apr3002 push-pull ac- tive high output and apr3003 open drain active low output. they are also designed to reject fast line tran- sient glitches on vcc. the apr3001/2/3 are come in a miniature sot-23, sot-23-5, sot-89 packages. ? 1.2v to 6v input voltage range ? low quiescent current : less than 1.5 a ? high accuracy detection threshold : 1.5% ? fixed trimmed reset thresholds for 1.5v, 1.75v, 2.32v, 2.63v, 2.93v, 3.08v, 3.9v, 4.38v. ? reset timeout period 250ms ? available output configurations - open-drain output - cmos active high output - cmos active low output ? sot-23 , sot-23-5 and sot-89 packages ? no external components pin configuration sot-23 (top view) reset 12 3 gnd v cc reset (3001/3) (3002) sot-23-5 (top view) sot-89 (top view) v cc gnd nc nc 123 4 5 reset reset (3001/3) (3002) gnd v cc 2 13 reset reset (3001/3) (3002)
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 2 package code a : sot-23 b : sot-23-5 d : sot-89 temp. range c : 0 to 70 c i : -40 to 85 c handling code tr : tape & reel voltage code : 15 : 1.5v ~ 43 : 4.38v apr3001/2/3 - handling code temp. range package code voltage code date code x x voltage code 01/2/3 apr3001/2/3 xxxxx 15 xxxxx - date code ; 15 - 1.5v apr3001/2/3 -15 d : apr3001/2/3 a/b : a:1.5v b:1.75v c:2.32v d:2.63v e:2.93v f:3.08v g:3.9v h:4.38v ordering and marking information absolute maximum ratings symbol parameter value unit v cc v cc to gnd -0.3 to 6 v reset to gnd (push-pull output) -0.3 to v cc +0.3 v reset reset to gnd (open drain output) -0.3 to 6 v i max maximum continuous input current 20 ma i reset reset/reset current 20 ma dvcc/dt rate of rise of v cc 100 v/ s t j junction temperature range -40 to 150 c t l lead temperature (soldering, 10 second) 260 c sot-23 357 sot-23-5 357 r th,ja thermal resistance ? junction to ambient sot-89 180 c/w p d power dissipation internally limited w pin function descrpition pin no. name description reset (apr3001/3) reset output remains low while v cc is below the reset threshold and remains so for a fixed time period after v cc raises above the reset threshold 1 reset (apr3002) reset output remains high while v cc is below the reset threshold and remains so for a fixed time period after v cc raises above the reset threshold. 2 gnd ground connection 3 v cc supply voltage (+1.2v to +6v) note: the pin sequence here might not be correct for all different package types, and please refer pin configuration in page1 for correct pin assignment.
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 3 block diagram v c c gnd v ref res et generator + timer oscillator reset apr3001 v c c gnd v ref res et generator + timer oscillator reset apr3002 v c c gnd v ref res et generator + timer oscillator reset apr3003
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 4 part number description part number part description apr3001 reset output push pull active low with delay apr3002 reset output push pull active high with delay apr3003 reset output open drain active low with delay electrical characteristics v in = 5v, t a = -40 to 85 c unless otherwise noted. typical values are at t a =25 c, v cc = 5v for 4.38v versions, v cc = 3.3v for 3.08/2.93v versions, v cc = 3.0v for 2.63v. versions and v cc = 2.5v for 2.32v versions, v cc = 2.0v for 1.75v versions , v cc = 1.8v for 1.5v versions. apr3001/2/3 symbol parameter test conditions min. typ. max. unit v cc supply voltage 1.2 6 v i cc supply current v cc =1.5v~6v 1.5 4 a t a =-40 to 85c 3 5 t a =25c 1.5% v th reset threshold t a =-40 to 85c 2% v hyst hysteresis range 20 mv t rtp reset timeout period 150 250 350 ms v ol reset output low i sink =1.2ma 0.5 v v oh reset output high i source =0.6ma 0.8*v cc t d v cc to reset delay v cc =v th to (v th -100mv) 25 s i le reset output leakage 0.5 a v cc v cc gnd 100k apr3003 reset reset input p v cc gnd v cc v cc gnd reset (reset) reset input p v cc gnd apr3001 apr3002 application circuit
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 5 timing chart vcc reset reset timeout period 250ms vcc to reset delay 25us reset threshold reset threshold reset (apr3002) (apr3001/3)
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 6 0 5 10 15 20 25 30 35 40 45 50 0123456 vcc=2.9v vcc=2v vcc=2.5v vcc=1.5 0 10 20 30 40 50 60 70 0123456 vcc=4v vcc=3v vcc=5v 0 0.4 0.8 1.2 1.6 2 0123456 0 20 40 60 80 100 120 10 100 1000 typical characteristics supply current vs. supply voltage supply current (ua) supply voltage (v) maximum transient duration vs. reset threshold overdrive vth - vcc maximum transient duration (us) reset threshold overdrive vth - vcc (mv) output source current vs. reset high output voltage output source current (ma) reset high output voltage (v) output sink current vs. reset low output voltage output sink current (ma) reset low output voltage (v) generate a reset signal never generate a reset signal
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 7 0.994 0.996 0.998 1 1.002 1.004 1.006 1.008 -40 -20 0 20 40 60 80 100 120 0 0.5 1 1.5 2 2.5 3 3.5 -40-200 20406080100120 vcc =3v vcc =5v 0 100 200 300 400 500 600 -40-200 20406080100120 0 10 20 30 40 50 60 -40-20 0 20406080100120 vod=100mv typical characteristics normalized reset threshold vs. temperature normalized reset threshold (%) temperature ( c) reset propagation delay vs. temperature reset propagation delay (us) temperature ( c) reset timeout period vs. temperature reset timeout period (ms) temperature ( c) supply current vs. temperature supply current (ua) temperature ( c)
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 8 power up typical characteristics power down time (200ms/div) vcc to reset delay vcc(0.5v/div) vcc=v th to (v th -100mv) reset(2v/div) time (10us/div) vcc(2v/div) reset(2v/div) vcc(2v/div) reset(2v/div) time (50ms/div)
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 9 application information v cc transient rejection the apr3001/2/3 have the function to reject the tran- sient glitches from the power line. the maximum tran- sient duration vs. reset threshold overdrive shows at typical characteristics.the transient voltage with the duration under the curve will not generate a reset signal, e.g. a transient of 100mv below the reset threshold voltage have the duration more than 35us, it will generate a reset signal. connect a 0.1uf bypass capacitor to the v cc pin can improve the transient immunity. reset output the apr3001/2/3 have 3 output stage versions: apr3001 is an active low push-pull output, when the v cc drops below the reset threshold, the reset out- put generates a low signal. apr3002 is an active high push-pull output, when the v cc drops below the reset threshold, the reset output generates a high signal (see timing chart). apr3003 is an active low open drain output, the reset output must be connected a pull-up resistor to a supply voltage that is lower than 6v, it suits to use in multiple voltage systems (see figure 2). the apr3001 reset output is valid until the v cc =1.2v, below 1.2v the ic is shutdown, and the output becomes a floating state. if it is a trouble, a resistor should be connected from reset output to ground to keep the reset output low (see figure 1). for the apr3002, a pull-up resistor to v cc is required to keep the valid reset output for v cc below 1.2v. reset v cc gnd v cc 100k figure 1. ensuring reset valid to v cc = 0 v v cc apr3003 reset gnd +3.3v +5.0v v cc gnd reset input 5v system 100k figure 2. apr3003 open drain output with multiple supplies
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 10 packaging information sot-23 d e h s e a a1 l c b 3 2 1 millimeters inches dim min. max. min. max. a 1.00 1.30 0.039 0.051 a1 0.00 0.10 0.000 0.004 b 0.35 0.51 0.014 0.020 c 0.10 0.25 0.004 0.010 d 2.70 3.10 0.106 0.122 e 1.40 1.80 0.055 0.071 e 1.90 bsc 0.075 bsc h 2.40 3.00 0.094 0.118 l 0.37 0.0015
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 11 packaging information sot-23-5 e1 e1 e b 12 3 4 5 e d a2 a a1 l 2 l l 1 a millimeters inches dim min. max. min. max. a 0.95 1.45 0.037 0.057 a1 0.05 0.15 0.002 0.006 a2 0.90 1.30 0.035 0.051 d2.83.00 0.110 0.118 e2.63.00 0.102 0.118 e1 1.5 1.70 0.059 0.067 l 0.35 0.55 0.014 0.022 l1 0.20 bsc 0.008 bsc l2 0.5 0.7 0.020 0.028 n5 5 0 10 0 10
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 12 packaging information sot-89 (reference eiaj ed-7500a reg stration sc-62) d d1 e b1 e1 b 12 3 l h e c a a a 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. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 13 reflow condition (ir/convection or vpr reflow) 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.
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 14 carrier tape & reel dimensions a j b t2 t1 c t ao e w po p ko bo d1 d f p1 test item method description solderability mil-std-883d-2003 245c,5 sec holt mil-std 883d-1005.7 1000 hrs bias @ 125c pct jesd-22-b, a102 168 hrs, 100% rh, 121c tst mil-std 883d-1011.9 -65c ~ 150c, 200 cycles reliability test program a pp lication a b c j t1 t2 w p e 178 160 1.0 12.0 2.5 0.15 9.0 0.5 1.4 8.0+ 0.3 - 0.3 4.0 1.75 f d d1 po p1 ao bo ko t sot-23 3.5 0.05 1.5 +0.1 0.1min 4.0 2.0 0.05 3.1 3.0 1.3 0.2 0.03 a pp lication a b c j t1 t2 w p e 178 172 1.0 13.0 + 0.2 2.5 0.15 8.4 2 1.5 0.3 8.0 0.3 4 0.1 1.75 0.1 f d d1 po p1 ao bo ko t sot-23-5 3.5 0.05 1.5 0.1 1.5 0.1 4.0 0.1 2.0 0.1 3.15 0.1 3.2 0.1 1.4 0.1 0.2 0.033 a pp lication a b c j t1 t2 w p e 178 170 213.5 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
copyright ? anpec electronics corp. rev. a.2 - oct., 2003 apr3001/2/3 www.anpec.com.tw 15 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 application carrier width cover tape width devices per reel sot- 23 8 5.3 3000 sot- 23-5 8 5.3 3000 sot- 89 12 9.3 1000

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