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ace 301 high - precision low voltage detector ver 1. 6 1 d escription ace301 is a series of high precision voltage detector with ultra low current consumption (500na typ. at vdd=3.0v). it can work at very low voltage, which makes it perfect for system reset. ace301 is composed of high precision voltage referenc e, comparator, output driver and resistor array. internally preset detect voltage has a low temperature drift and requires no external trimming. two type of output, cmos and n - channel open - drain are available. features ? high - precision detection voltage 2% ? detection voltage 0.9v~6.0v (in 0.1v steps) ? precise hysteresis 4% typ. ? operating voltage range 0.7v~10v ? ultra - low current consumption 500na typ. (at v dd 3.0v) ? t wo output forms : cmos and n - channel open - drain application ? power monitor for portable equi pment such as pda , dsc , mobile phone, notebook, mp3 ? cpu and logic circuit reset ? battery checker ? battery back - up circuit ? power failure detector absolute maximum ratings parameter max unit input voltage - 0.3~1 0 v output voltage - 0.3~12 v maximum output c urrent 70 ma maximum power dissipation sot - 23 - 3 250 mw sot - 23 - 5 250 sot - 89 - 3 500 to - 92 600 ambient temperature - 40~+85 storage temperature - 40~ +150
ace 301 high - precision low voltage detector ver 1. 6 2 packaging type sot - 23 - 3 sot - 89 - 3 sot - 23 - 5 to - 92 3 5 4 1 2 1 2 3 1 2 3 1 2 3 ordering informa tion ace301 x x x xx + h sot - 23 - 3 sot - 89 - 3 sot - 23 - 5 to - 92 description function 1 1 1 1 v out voltage detection output pin 3 2 2 2 v dd voltage input pin 2 3 3 3 v ss gnd pin 4 nc no connection 5 nc no connection detector voltage 0.9v ~ 6.0v pb - free halogen - free output type n: nch / c: cmos bm: sot - 23 - 3 bn: sot - 23 - 5 am: sot - 89 - 3 ep: to - 92
ace 301 high - precision low voltage detector ver 1. 6 3 block diagram n channel open - drain cmos output recommended work conditions item min recommended max unit input voltage 0.7 10 v ambient temperature - 40 25 8 5 electrical characteristics: ace301c/n09xx + (0.9v) (top t= 25 , unless otherwise specified. ) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 0.882 0.9 0.918 v v hys detector threshold hysteresis 0.018 0.0 36 0.054 v i ss current consumption v dd =2.9v 1 2.5 ua v ddh maximum operating voltage 10 v v dd l minimum operating voltage 0.5 v i out output current nch v ds =0.05v, v dd =0.7v v ds =0.50v, v dd =0.8v 0.01 0.05 0.05 0.50 ma pch v ds = - 2.1v, v dd =4.50v 1.0 2.0 ma t plh output delay time 20 us
ace 301 high - precision low voltage detector ver 1. 6 4 ace301c/n27xx + (2.7v) (topt=25 , unless otherwise specified. ) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 2.646 2.7 2.754 v v hys detector threshold hysteresis 0.054 0.108 0.162 v i ss current consumption v dd =4.7v 1 2.5 ua v ddh ma ximum operating voltage 10 v v dd l minimum operating voltage 0.5 v i out output current nch v ds =0.05v, v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v, v dd =4.50v 1.0 2.0 ma t plh output delay time 20 us ace301c/n30xx + (3.0v) (topt=25 , unless otherwis e specified. ) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 2.94 3.0 3.06 v v hys detector threshold hysteresis 0.060 0.12 0.18 v i ss current consumption v dd = 5.0 v 1 2.5 ua v ddh maximum operating voltag e 10 v v dd l minimum operating voltage 0.5 v i out output current nch v ds =0.05v, v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v, v dd =4.50v 1.0 2.0 ma t plh output delay time 20 us ace301c/n34xx + (3.4v) (topt=25 , unless otherwise specified. ) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 3.332 3.4 3.468 v v hys detector threshold hysteresis 0.068 0.136 0.204 v i ss current consumption v dd =5.0v 1 2.5 ua v ddh ma ximum operating voltage 10 v v dd l minimum operating voltage 0.5 v i out output current nch v ds =0.05v, v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v, v dd =4.50v 1.0 2.0 ma t plh output delay time 20 us
ace 301 high - precision low voltage detector ver 1. 6 5 ace301c/n44xx + (4.4v) ( topt=25 , unless otherwis e specified. ) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 4.312 4.4 4.488 v v hys detector threshold hysteresis 0.088 0.176 0.264 v i ss current consumption v dd =6.4v 1 2.5 ua v ddh maximum operating vo ltage 10 v v dd l minimum operating voltage 0.5 v i out output current nch v ds =0.05v, v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v, v dd =8.0v 1.5 3.0 ma t plh output delay time 20 us electrical characteristics by detector threshold part number detect or threshold detector threshold hysteresis supply current1 supply current2 - vdet[v] vhys[v] iss1[ua] iss2[ua] min. typ. max. min. typ. max. condition typ. max. condition typ. max. ace301x09xx+ 0.882 0.900 0.918 0.018 0.036 0.054 vdd= ( - vdet)+0.1v 0.5 1.0 vdd= ( - vdet)+2v 1.0 2 .5 ace301x10xx+ 0.980 1.000 1.020 0.020 0.040 0.060 ace301x11xx+ 1.078 1.100 1.122 0.022 0.044 0.066 ace301x12xx+ 1.176 1.200 1.224 0.024 0.048 0.072 ace301x13xx+ 1.274 1.300 1.326 0.026 0.052 0.078 ace 301x14xx+ 1.372 1.400 1.428 0.028 0.056 0.084 ace301x15xx+ 1.470 1.500 1.530 0.030 0.060 0.090 ace301x16xx+ 1.568 1.600 1.632 0.032 0.064 0.096 ace301x17xx+ 1.666 1.700 1.734 0.034 0.068 0.102 ace301x18xx+ 1.764 1.800 1.836 0.03 6 0.072 0.108 ace301x19xx+ 1.862 1.900 1.938 0.038 0.076 0.114 ace301x20xx+ 1.960 2.000 2.040 0.040 0.080 0.120 0.5 2.5 ace301x21xx+ 2.058 2.100 2.142 0.042 0.084 0.126 ace301x22xx+ 2.156 2.200 2.244 0.044 0.088 0.132 ace30 1x23xx+ 2.254 2.300 2.346 0.046 0.092 0.138 ACE301X24XX+ 2.352 2.400 2.448 0.048 0.096 0.144
ace 301 high - precision low voltage detector ver 1. 6 6 ace301x25xx+ 2.450 2.500 2.550 0.050 0.100 0.150 ace301x26xx+ 2.548 2.600 2.652 0.052 0.104 0.156 ace301x27xx+ 2.646 2.700 2.754 0.054 0.108 0.162 ace301x28xx+ 2.744 2.800 2.856 0.056 0.112 0.168 ace301x29xx+ 2.842 2.900 2.958 0.058 0.116 0.174 ace301x30xx+ 2.940 3.000 3.060 0.060 0.120 0.180 ace301x31xx+ 3.038 3.100 3.162 0.062 0.124 0.186 ace301x32xx+ 3.136 3.200 3.264 0.064 0.128 0.192 ace301x33xx+ 3.234 3.300 3.366 0.066 0.132 0.198 ace301x34xx+ 3.332 3.400 3.468 0.068 0.136 0.204 ace301x35xx+ 3.430 3.500 3.570 0.070 0.140 0.210 ace301x36xx+ 3.528 3.600 3.672 0.072 0.144 0. 216 ace301x37xx+ 3.626 3.700 3.774 0.074 0.148 0.222 ace301x38xx+ 3.724 3.800 3.876 0.076 0.152 0.228 ace301x39xx+ 3.822 3.900 3.978 0.078 0.156 0.234 ace301x40xx+ 3.920 4.000 4.080 0.080 0.160 0.240 ace301x41xx+ 4.018 4. 100 4.182 0.082 0.164 0.246 ace301x42xx+ 4.116 4.200 4.284 0.084 0.168 0.252 ace301x43xx+ 4.214 4.300 4.386 0.086 0.172 0.258 ace301x44xx+ 4.312 4.400 4.488 0.088 0.176 0.264 ace301x45xx+ 4.410 4.500 4.590 0.090 0.180 0.270 ace301x46xx+ 4.508 4.600 4.692 0.092 0.184 0.276 ace301x47xx+ 4.606 4.700 4.794 0.094 0.188 0.282 ace301x48xx+ 4.704 4.800 4.896 0.096 0.192 0.288 ace301x49xx+ 4.802 4.900 4.998 0.098 0.196 0.294 ace301x50xx+ 4.900 5.000 5.10 0 0.100 0.200 0.300 ace301x51xx+ 4.998 5.100 5.202 0.102 0.204 0.306 ace301x52xx+ 5.096 5.200 5.304 0.104 0.208 0.312 ace301x53xx+ 5.194 5.300 5.406 0.106 0.212 0.318 ace301x54xx+ 5.292 5.400 5.508 0.108 0.216 0.324 ace30 1x55xx+ 5.390 5.500 5.610 0.110 0.220 0.330 ace301x56xx+ 5.488 5.600 5.712 0.112 0.224 0.336 ace301x57xx+ 5.586 5.700 5.814 0.114 0.228 0.342 ace301x58xx+ 5.684 5.800 5.916 0.116 0.232 0.348 ace301x59xx+ 5.782 5.900 6.018 0.118 0.236 0.354 ace301x60xx+ 5.880 6.000 6.120 0.120 0.240 0.360
ace 301 high - precision low voltage detector ver 1. 6 7 output current1 output current2 output delay time minimum operation voltage detector threshold temperature coefficient iout1[ma] iout2[ma] t plh [us] v ddl [v] - v det /tppm/ condit ion min. typ. condition min. typ. max. typ. max. condition typ. nch, v ds =0.05v, v dd =0.7v 0.01 0.05 nch, v ds =0.5v vdd=0.85v 0.1 0.5 20 0.5 0.7 - 40 ~ 85 100 vdd=1.0v 0.2 1.0 v dd =1.5 v 1.0 2.0 function description high precision low temperature co - efficiency reference voltage is applied to the negative input of a comparator. input voltage, divided by resistor array of ra rb and rc, is applied to the positive input of the comparator. output of the comparator controls a pair of nmos and pmos switches, generating the hysteresis. output of the comparator passes a series of buffer to drive the output cmos pair. +v det , - v det , v hys can be calculated as follows: - v det = v r ef *(1+ra/(rb+rc)) +v det =v ref *(1+(ra+rb)/rb)=v ref *(1+(ra+rc)/rb) v hys = +v det - ( - v det )=v ref *(ra+rb+rc)(1/rb - 1/(rb+rc))
ace 301 high - precision low voltage detector ver 1. 6 8 no. operation status output status dd > - v det output voltage is equal to the supply voltage dd drops b elow C det output voltage equals to gnp level dd drops further below v ddl output voltage is undefined dd rises above v ddl output voltage equals to gnp level dd rises above + v det output voltage equals to supply voltage, v hys =(+v det ) - ( - v det ) test circuits (1) supply current test circuit (2) detector threshold test circuit ace301 ace301
ace 301 high - precision low voltage detector ver 1. 6 9 (3) nch drive output current test circuit (4) pch drive outpu t current test circuit ace301 ace301 typical performance characteristics (1) output voltage vs. input voltage detector threshold=0.9v detector threshold=0.9v detector threshold=0.9v ( - 40 ) (25 ) (70 ) input voltage (v) input voltage (v) input voltage (v) detector threshold= 2.7 v detector thres hold= 2.7 v detector threshold= 2.7 v ( - 40 ) (25 ) (70 ) input voltage (v) input voltage (v) input voltage (v)
ace 301 high - precision low voltage detector ver 1. 6 10 detector threshold= 3.0 v detector threshold= 3.0 v detector threshold= 3.0 v ( - 40 ) (25 ) (70 ) input voltage (v) input voltage (v) input voltage (v) detector thre shold= 4.4 v detector threshold= 4.4 v detector threshold= 4.4 v ( - 40 ) (25 ) (70 ) input voltage (v) input voltage (v) input voltage (v) (2) s upply current vs. input voltage detector threshold=0.9v detector threshold= 2.7 v input voltage (v) input voltage (v)
ace 301 high - precision low voltage detector ver 1. 6 11 detector threshold= 3.0 v detector threshold= 4.4 v input voltage (v) input voltage (v) (3) detector threshold hysteresis vs. temperature detector threshold=0.9v detector threshold= 2.7 v temperature ( ) temperature ( ) detector threshold= 3.0 v detector threshold= 4.4 v temperature ( ) temper ature ( )
ace 301 high - precision low voltage detector ver 1. 6 12 (4) nch driver output current vs. v ds ace301c09xx+ ace301c27xx+ vds(v) vds(v) ace301c30xx+ ace301c44xx+ vds(v) vds(v) (5) nch driver output current vs. input voltage detector threshold=2.7v detector threshold = 3.0v input voltage vi n(v) input voltage vin(v)
ace 301 high - precision low voltage detector ver 1. 6 13 (6) pch driver output current vs. input current detector threshold=0.9v detector threshold=2.7v input voltage vin(v) input voltage vin(v) detector threshold=4.4v input voltage vin(v) typical applications ace301 note: 1. r0 is unnecessary for cmos output products. 2. the value of r0 need to be selected in different application, typical value is 470k .
ace 301 high - precision low voltage detector ver 1. 6 14 packing information sot - 23 - 3
ace 301 high - precision low voltage detector ver 1. 6 15 packing information sot - 89 - 3
ace 301 high - precision low voltage detector ver 1. 6 16 packing information sot - 23 - 5
ace 301 high - precision low voltage detector ver 1. 6 17 packing information t o - 92
ace 301 high - precision low voltage detector ver 1. 6 18 notes ace does not assume any responsibility for use as critical components in life support devices or systems without the express written approval of the president and general counsel o f ace electronics co., ltd. as sued herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and shoes failure to perform when properly used in ac cordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expec ted to cause the failure of the life support device or system, or to affect its safety or effectiveness. ace technology co., ltd. http://www.ace - ele.com/
ace 301 high - precision low voltage detector ver 1. 6 19

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