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ace 306 low voltage detecto r with built - in delay circuit / ssd ver 1. 3 1 d escription ace 306 is a series of high precision voltage detector with ultra low current consumption (500na typ. at vdd=3.0v) and a built - in delay circuit. it can work at very low voltage, which makes it perfect for system reset. ace 306 is composed of hig h precision voltage reference, comparator, delay circuit, 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. fe atures ? high - precision detection voltage ? 2% ? detection voltage 0.9v~6.0v (in 0.1v steps) ? built - in power on reset delay time circuit::refer to selection guide ? operating voltage range 0.7v~10v ? ultra - low current consumption 500na typ. (at vdd 3.0v) ? two output forms cmos and n - channel open - drain (active low) application ? power monitor for portable equipment such as pda, dsc, mobile phone,notebook,mp3 ? cpu and logic circuit reset ? battery checker ? battery back - up circuit ? power failure detector absolute maximum rat ings parameter max unit input voltage - 0.3~12 v output voltage - 0.3~12 v output current 7 0 ma power dissipation 150 mw ambient temperature - 40~85 storage temperature - 40~125
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 2 packaging type sot - 23 - 3 3 1 2 s o t - 2 3 - 5 5 4 1 2 3 ordering information a ce 306 x x xx x x x + h sot - 23 - 3 sot - 23 - 5 description function 2 3 v ss g nd pin 1 1 v out voltage detection output pin 3 2 v dd voltage input pin 4 nc no connection 5 cd connection pin for delay capacitor delay time: a: 50ms / b:100ms / c:150ms / d:200m s / e:250ms / f :300ms / g:400ms detector voltage: 090 pb - free halogen - free output type: n: nch c: cmos package type bm: sot - 23 - 3 bn: sot - 23 - 5
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 3 re commended work conditions item min typ. max unit input voltage (vin) 0.7 10 v ambient temperature (t j ) - 40 25 85 block diagram n channel open - drain cmos output electrical characteristics ace 306 n090dbm+ (0.9v) (topt=25 , unless otherwise specified) symbol parameter conditions reference data unit min. typ. max. - v det detec tor threshold 0.882 0.9 0.918 v i ss current consumption v dd =2.9v 1 1.5 ua v ddh maximum operating voltage 10 v v ddl minimum operating voltage 0.5 v i out output current nch v ds =0.05v dd =0.7v v ds =0.50v dd =0.8v 0.01 0.05 0.05 0.50 ma pch v ds = - 2.1v dd =4.50v 1.0 2.0 ma
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 4 ace 306 n 270 dbm+ ( 2.7 v) (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 i ss current consumption v dd = 4.7 v 0.5 1 ua v ddh maximum operating voltage 10 v v ddl minimum operating voltage 0.5 v i out output current nch v ds =0.05v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v dd =4.50v 1.0 2.0 ma ace 306 n 300 dbm+ ( 3.0 v) (topt=25 , unless otherwise specified) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 2.94 3.0 3.06 v i ss current consumption v dd = 5.0 v 0.5 1 ua v ddh maximum operating voltage 10 v v ddl minimum operating voltage 0.5 v i out output current nch v d s =0.05v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v dd =4.50v 1.0 2.0 ma ace 306 n 340 dbm+ ( 3.4 v) (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 i ss curr ent consumption v dd = 5.0 v 0.5 1 ua v ddh maximum operating voltage 10 v v ddl minimum operating voltage 0.5 v i out output current nch v ds =0.05v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v dd =4.50v 1.0 2.0 ma
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 5 ace 306 n 440 dbm+ ( 4.4 v) (topt=25 , unless otherwise specified) symbol parameter conditions reference data unit min. typ. max. - v det detector threshold 4.312 4.4 4.488 v i ss current consumption v dd = 6.4 v 0.5 1 ua v ddh maximum operating voltage 10 v v ddl minimum operating volta ge 0.5 v i out output current nch v ds =0.05v dd =0.7v 0.01 0.05 ma pch v ds = - 2.1v dd = 8.0 v 1. 5 3 .0 ma electrical characteristics by detector threshold part number detector threshold supply current1 supply current2 - vdet[v] iss1[ua] iss2[ua] min typ max condition typ max condition typ max ace 306 x090xxx+ 0.882 0.900 0.918 vdd= ( - vdet) +0.1v 0.5 1.0 vdd= ( - vdet) +2v 1.0 1.5 ace 306 x100xxx+ 0.980 1.000 1.020 ace 306 x110xxx+ 1.078 1.100 1.122 ace 306 x120xxx+ 1.176 1.200 1.224 ace 306 x130xxx+ 1.274 1.300 1.326 ace 3 06 x140xxx+ 1.372 1.400 1.428 ace 306 x150xxx+ 1.470 1.500 1.530 ace 306 x160xxx+ 1.568 1.600 1.632 ace 306 x170xxx+ 1.666 1.700 1.734 ace 306 x180xxx+ 1.764 1.800 1.836 ace 306 x190xxx+ 1.862 1.900 1.938 ace 306 x200xxx+ 1.960 2.000 2.040 0.5 1.0 ace 306 x210xxx+ 2.058 2.100 2.142 ace 306 x220xxx+ 2.156 2.200 2.244 ace 306 x230xxx+ 2.254 2.300 2.346 ace 306 x240xxx+ 2.352 2.400 2.448 ace 306 x250xxx+ 2.450 2.500 2.550 ace 306 x260xxx+ 2.548 2.600 2.6 52 ace 306 x270xxx+ 2.646 2.700 2.754 ace 306 x280xxx+ 2.744 2.800 2.856 ace 306 x290xxx+ 2.842 2.900 2.958 ace 306 x300xxx+ 2.940 3.000 3.060
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 6 ace 306 x310xxx+ 3.038 3.100 3.162 ace 306 x320xxx+ 3.136 3.200 3.264 ace 306 x330xxx+ 3.234 3.300 3.366 ace 306 x340xxx+ 3.332 3.400 3.468 ace 306 x350xxx+ 3.430 3.500 3.570 ace 306 x360xxx+ 3.528 3.600 3.672 ace 306 x370xxx+ 3.626 3.700 3.774 ace 306 x380xxx+ 3.724 3.800 3.876 ace 306 x390xxx+ 3.822 3 .900 3.978 ace 306 x400xxx+ 3.920 4.000 4.080 ace 306 x410xxx+ 4.018 4.100 4.182 ace 306 x420xxx+ 4.116 4.200 4.284 ace 306 x430xxx+ 4.214 4.300 4.386 ace 306 x440xxx+ 4.312 4.400 4.488 ace 306 x450xxx+ 4.410 4.500 4.590 ace 306 x460xxx+ 4.508 4.600 4.692 ace 306 x470xxx+ 4.606 4.700 4.794 ace 306 x480xxx+ 4.704 4.800 4.896 ace 306 x490xxx+ 4.802 4.900 4.998 ace 306 x500xxx+ 4.900 5.000 5.100 ace 306 x510xxx+ 4.998 5.100 5.202 ace 306 x520xxx+ 5.096 5.200 5.304 ace 306 x530xxx+ 5.194 5.300 5.406 ace 306 x540xxx+ 5.292 5.400 5.508 ace 306 x550xxx+ 5.390 5.500 5.610 ace 306 x560xxx+ 5.488 5.600 5.712 ace 306 x570xxx+ 5.586 5.700 5.814 ace 306 x580xxx+ 5.684 5.800 5.9 16 ace 306 x590xxx+ 5.782 5.900 6.018 ace 306 x600xxx+ 5.880 6.000 6.120
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 7 output current1 output current2 minimum operating voltage detector threshold temperature coefficient iout1[ma] iout2[ma] vddl[v] - conditio n min. typ. condition min. typ. typ. max. condition typ. nch, v ds =0.05v,v dd =0.7v 0.01 0.05 nch,vds=0.5v v dd =0.85v 0.1 0.5 0.5 0.7 - 40 topt 85 100 v dd =1.0v 0.2 1.0 v dd =1.5v 1.0 2.0 electrical characteristics by output delay time part number test condition output delay time unit min typ max ace 306 xxxxaxx+ v dd =1.0v to vdet+1.0v 45 50 55 ms ace 306 xxxx b xx+ 90 100 110 ace 306 xxxx c xx+ 135 150 165 ace 306 xxxx d xx+ 180 200 220 ace 306 xxxx e xx+ 225 250 275 ace 306 xxxx f xx+ 270 300 330 ace 306 xxxx g xx+ 360 400 440 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 and rb, is appl ied to the positive input of the comparator. output of the comparator passes a delay circuit and a series of buffer to drive the output cmos pair. v det =v ref *(1+ra/rb)
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 8 no operation status output status i v d d >v det output voltage is equal to the supply voltage ii v dd drops below vdet output voltage equals to gnd level iii v dd drops further below v ddl output voltage is undefined iv v dd rises above v ddl outpu t voltage equals to gnd level v v dd rises above v det output voltage equals to supply voltage after tdelay typical c ircuits (1) supply current test circuit (2) detector threshold test circuit ace 306 ace 306
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 9 ( 3 ) nch d r i v e o u t p u t c u r r e n t t e s t c i r c u i t (2) p c h d r i v e o u t p u t c u r r e n t t e s t c i r c u i t ac 306 ace 306 typical performance characteristics 1 . supply current vs. input voltage detector threshold=0.9v detector threshold=2.7v input voltage ( v ) input voltage ( v ) detector threshold=3.0v detector threshold=4.4v input voltage (v) input voltage (v)
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 10 2. detector threshold vs. temperature detector threshold=0.9v detector threshold=2.7v temperature ( ) temperature ( ) detector threshold=3.0v detector threshold=4.4v temperature ( ) temperature ( ) 3. nch driver output c urrent vs. v ds ace 306 x090xxx+ ace 306 x270xxx+ vds (v) vds (v)
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 11 ace 306 x300xxx+ ace 306 x440 xxx+ vds (v) vds (v) 4. nch driver output current vs. input voltage detector threshold=2.7v detector threshold=3.0v input voltage vin (v) input voltage vin (v) 5. pch driver output current vs. input current detector threshold=0.9v detector threshold=2.7v input voltage vin (v) input voltage vin (v)
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 12 detector threshold=4.4v input voltage vin (v) typical applications ace 306 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 306 low voltage detector with built - in delay circuit / ssd ver 1.3 13 packing information sot - 23 - 3
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 14 packing information sot - 23 - 5
ace 306 low voltage detector with built - in delay circuit / ssd ver 1.3 15 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 of ace electronics co., l td. 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 accordance with instructions for use p rovided 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 expected 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/

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