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unisonic technologies co., ltd 81cxxx/81nxxx cmos ic www.unisonic.com.tw 1 of 16 copyright ? 2012 unisonic technologies co., ltd qw-r502-039,p voltage detectors with built-in delay time ? description the utc 81cxxx and 81nxxx series are good performance voltage detector and manufactured by cmos technologies with highly accurate, low power consumption. a delay circuit is built-in to each detector, therefore, per ipherals are unnecessary and high density mounting is possible. detect voltage is extremely accurate with minimal temperature drift. both cmos and n-channel open drain output configurat ions are available. ? features * highly accurate: detect voltage 2% * built-in delay time : 1ms ~ 50ms 50ms ~ 200ms 200ms ~ 400ms * detect voltage temperature characteristics: typ 100ppm/c * wide operating voltage range : 0.7v ~ 10.0v * low current consumption : typ 1.0 a (v in =2.0v) sot-223 1 sot-23 (eiaj sc-59) 1 2 3 sot-89 1 to-92 1 sot-23-3 (jedec to-236) 1 2 3 ? ordering information cmos: ordering number :delay time package pin assignment packing lead free halogen free duration code 1 2 3 81 c xxl- -aa3-b-r 81 c xxg- -aa3-b-r 1~50 50~200 200~400 ms ms ms p q r sot-223 o g i tape reel 81 c xxl- -ab3-e-r 81 c xxg- -ab3-e-r sot-89 o i g tape reel 81 c xxl- -ae3-3-r 81 c xxg- -ae3-3-r sot-23 o g i tape reel 81 c xxl- -ae3-5-r 81 c xxg- -ae3-5-r sot-23 g o i tape reel 81 c xxl- -ae3-2-r 81 c xxg- -ae3-2-r sot-23 i o g tape reel 81 c xxl- -ae2-3-r 81 c xxg- -ae2-3-r sot-23-3 o g i tape reel 81 c xxl- -ae2-5-r 81 c xxg- -ae2-5-r sot-23-3 g o i tape reel 81 c xxl- -ae2-2-r 81 c xxg- -ae2-2-r sot-23-3 i o g tape reel 81 c xxl- -t92-d-b 81 c xxg- -t92-d-b to-92 i g o tape box 81 c xxl- -t92-e-b 81 c xxg- -t92-e-b to-92 o i g tape box 81 c xxl- -t92-d-k 81 c xxg- -t92-d-k to-92 i g o bulk 81 c xxl- -t92-e-k 81 c xxg- -t92-e-k to-92 o i g bulk 81 c xxl- -t92-d-r 81 c xxg- -t92-d-r to-92 i g o tape reel 81 c xxl- -t92-e-r 81 c xxg- -t92-e-r to-92 o i g tape reel
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 2 of 16 www.unisonic.com.tw qw-r502-039,p ? ordering information(cont.) n-channel: ordering number :delay time package pin assignment packing lead free halogen free duration code 1 2 3 81 n xxl- -aa3-b-r 81 n xxg- -aa3-b-r 1~50 50~200 200~400 ms ms ms h j k sot-223 o g i tape reel 81 n xxl- -ab3-e-r 81 n xxg- -ab3-e-r sot-89 o i g tape reel 81 n xxl- -ae3-3-r 81 n xxg- -ae3-3-r sot-23 o g i tape reel 81 n xxl- -ae3-5-r 81 n xxg- -ae3-5-r sot-23 g o i tape reel 81 n xxl- -ae3-2-r 81 n xxg- -ae3-2-r sot-23 i o g tape reel 81 n xxl- -ae2-3-r 81 n xxg- -ae2-3-r sot-23-3 o g i tape reel 81 n xxl- -ae2-5-r 81 n xxg- -ae2-5-r sot-23-3 g o i tape reel 81 n xxl- -ae2-2-r 81 n xxg- -ae2-2-r sot-23-3 i o g tape reel 81 n xxl- -t92-d-b 81 n xxg- -t92-d-b to-92 i g o tape box 81 n xxl- -t92-e-b 81 n xxg- -t92-e-b to-92 o i g tape box 81 n xxl- -t92-d-k 81 n xxg- -t92-d-k to-92 i g o bulk 81 n xxl- -t92-e-k 81 n xxg- -t92-e-k to-92 o i g bulk 81 n xxl- -t92-d-r 81 n xxg- -t92-d-r to-92 i g o tape reel 81 n xxl- -t92-e-r 81 n xxg- -t92-e-r to-92 o i g tape reel note: 1. pin assignment: i:v in o:v out g:v ss 2. xx: output voltage, refe r to marking information.
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 3 of 16 www.unisonic.com.tw qw-r502-039,p ? marking information package voltage code marking sot-223 10:1.0v 11:1.1v 12:1.2v 13:1.3v 14:1.4v 15:1.5v 16:1.6v 17:1.7v 18:1.8v 19:1.9v 20:2.0v 21:2.1v 22:2.2v 23:2.3v 24:2.4v 25:2.5v 26:2.6v 27:2.7v 28:2.8v 29:2.9v 30:3.0v 31:3.1v 32:3.2v 33:3.3v 34:3.4v 35:3.5v 36:3.6v 37:3.7v 38:3.8v 39:3.9v 40:4.0v 41:4.1v 42:4.2v 43:4.3v 44:4.4v 45:4.5v 46:4.6v 47:4.7v 48:4.8v 49:4.9v 50:5.0v sot-89 to-92 notes: 1. represents the int eger of the detect voltage 2. represents the decimal num ber of the detect voltage ? example: 1 2 3 2h n g n: n-channel 81n27 g: halogen free voltage code pin code package integer (note 1) code decimal (note 2) code marking sot-23 sot-23-3 1. 1 .0 a 2. 2 .1 b 3. 3 .2 c 4. 4 .3 d 5. 5 .4 e 6. 6 .5 f .6 g .7 h .8 j .9 k
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 4 of 16 www.unisonic.com.tw qw-r502-039,p ? block diagram
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 5 of 16 www.unisonic.com.tw qw-r502-039,p ? absolute maximum ratings (t a =25c) parameter symbol ratings unit input voltage v in 12 v output current i out 50 ma output voltage cmos v out v ss -0.3 ~ v in +0.3 v n-ch open drain v ss -0.3 ~ 9 v power dissipation sot-223 p d 800 mw sot-23/ sot-23-3 150 sot-89 500 to-92 300 operating temperature t opr -30 ~ +85 c storage temperature t stg -40 ~ +125 c note absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to case sot-223 jc 20 c/w sot-23/ sot-23-3 200 sot-89 45 to-92 100 ? electrical characteristics (t a =25 ) detection voltage (1.0v ~ 1.9v) parameter symbol circuit test conditions min typ max unit detect voltage v df 1 v df (t) 0.98 v df (t) v df (t) 1.02 v hysteresis range v hys 1 v df 0.02 v df 0.05 v df 0.08 v operating voltage v in 1 v df =1.6v ~ 6.0v 0.7 10.0 v supply current i ss 2 v in =1.5v 0.9 2.6 a v in =5.0 2.0 4.2 a output current n-channel i out 3 v ds =0.5v, v in =1.0v 2.2 ma p- channel 4 v ds =2.1v, v in =8.0v (cmos output) -15.4 ma v df temperature characteristics df opr df v t v 100 ppm/c transient delay time (v dr ? v out inversion) t dly * 5 v in changes from 0.6v ~ 10v 50 200 ms
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 6 of 16 www.unisonic.com.tw qw-r502-039,p ? electrical characteristics(cont.) detection voltage (2.0v ~ 2.9v) parameter symbol circuit test conditions min typ max unit detect voltage v df 1 v df (t) 0.98 v df (t) v df (t) 1.02 v hysteresis range v hys 1 v df 0.02 v df 0.05 v df 0.08 v operating voltage v in 1 v df =1.6v ~ 6.0v 0.7 10.0 v supply current i ss 2 v in =2.0v 1.0 3.0 a v in =5.0v 2.0 4.2 a output current n-channel i out 3 v ds =0.5v, v in =2.0v 7.9 ma p- channel 4 v ds =2.1v, v in =8.0v (cmos output) -15.4 ma v df temperature characteristics df opr df v t v 100 ppm/c transient delay time (v dr ? v out inversion) t dly * 5 v in changes from 0.6v ~ 10v 50 200 ms detection voltage (3.0v ~ 3.9v) parameter symbol circuit test conditions min typ max unit detect voltage v df 1 v df (t) 0.98 v df (t) v df (t) 1.02 v hysteresis range v hys 1 v df 0.02 v df 0.05 v df 0.08 v operating voltage v in 1 v df =1.6v ~ 6.0v 0.7 10.0 v supply current i ss 2 v in =3.0v 1.3 3.4 a v in =5.0v 2.0 4.2 a output current n-channel i out 3 v ds =0.5v, v in =3.0v 10.1 ma p- channel 4 v ds =2.1v, v in =8.0v (cmos output) -15.4 ma v df temperature characteristics df opr df v t v 100 ppm/c transient delay time (v dr ? v out inversion) t dly * 5 v in changes from 0.6v ~ 10v 50 200 ms
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 7 of 16 www.unisonic.com.tw qw-r502-039,p ? electrical characteristics(cont.) detection voltage (4.0v ~ 4.9v) parameter symbol circuit test conditions min typ max unit detect voltage v df 1 v df (t) 0.98 v df (t) v df (t) 1.02 v hysteresis range v hys 1 v df 0.02 v df 0.05 v df 0.08 v operating voltage v in 1 v df =1.6v ~ 6.0v 0.7 10.0 v supply current i ss 2 v in =4.0v 1.5 3.8 a v in =5.0v 2.0 4.2 a output current n-channel i out 3 v ds =0.5v, v in =4.0v 11.5 ma p- channel 4 v ds =2.1v, v in =8.0v (cmos output) -15.4 ma v df temperature characteristics df opr df v t v 100 ppm/c transient delay time (v dr ? v out inversion) t dly * 5 v in changes from 0.6v ~ 10v 50 200 ms detection voltage (5.0v) parameter symbol circuit test conditions min typ max unit detect voltage v df 1 v df (t) 0.98 v df (t) v df (t) 1.02 v hysteresis range v hys 1 v df 0.02 v df 0.05 v df 0.08 v operating voltage v in 1 v df =1.6v ~ 6.0v 0.7 10.0 v supply current i ss 2 v in =5.0v 2.0 4.2 a output current n-channel i out 3 v ds =0.5v, v in =5.0v 13.0 ma p- channel 4 v ds =2.1v, v in =8.0v (cmos output) -15.4 ma v df temperature characteristics df opr df v t v 100 ppm/c transient delay time (v dr ? v out inversion) t dly * 5 v in changes from 0.6v ~ 10v 50 200 ms v df (t): established detect voltage value release voltage: v dr = v df + v hys * transient delay time: 1ms ~ 50ms & 200ms ~ 400ms versions are also available. note: the power consumption during power-start to output being stable (re lease operation) is 2 a greater than it is after that period (completion of release operation) because of delay circuit through current.
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 8 of 16 www.unisonic.com.tw qw-r502-039,p ? test circuits
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 9 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics (1) ambient temperature vs. transient delay time t dly (msec) t dly (msec) t dly (msec)
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 10 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) (2) p-channel driver output current vs. input voltage (2) transient delay time vs. input voltage
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 11 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) (3) supply current vs. input voltage 04 3.0 81n27 6 2 8 0.0 4.0 2.0 1.0 10 t a =80c 25c 04 3.0 81n28 6 2 8 0.0 4.0 2.0 1.0 10 t a =80c 25c 04 3.0 81n30 6 2 8 0.0 4.0 2.0 1.0 t a =80c 10 25c 04 3.0 81n29 6 2 8 0.0 4.0 2.0 1.0 10 t a =80c 25c 04 3.0 81n16 6 2 8 0.0 4.0 2.0 input voltage, v in (v) 1.0 10 t a =80c 25c supply current,iss( a) 04 3.0 81n25 6 2 8 0.0 4.0 2.0 1.0 10 t a =80c 25c supply current,iss( a) input voltage, v in (v) input voltage, v in (v) input voltage, v in (v) supply current,iss( a) supply current,iss( a) supply current,iss( a) supply current,iss( a) input voltage, v in (v) input voltage, v in (v)
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 12 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) supply current, iss ( a) supply current, iss ( a) (4) output voltage vs. input voltage output voltage, v out (v) output voltage, v out (v) output voltage, v out (v) output voltage, v out (v)
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 13 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) output voltage, v out (v) output voltage, v out (v) output voltage, v out (v) output voltage, v out (v) (5) n-channel drivre output current vs. v ds 0.0 12 81n16 1.0 0.5 1.5 2.0 0 15 9 6 v ds (v) output current, i out (ma) 3 t a =25c v in =1.5v 1.0v 0.2 0.6 1200 81n16 0.8 0.4 1.0 0 1400 1000 800 600 0 400 200 output current, i out ( a) v in =0.8v 0.7v v ds (v) t a =25c
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 14 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.)
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 15 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) 0.5 1.5 25 81n29 2.0 1.0 2.5 0 30 20 15 0.0 10 5 1.0v 0.2 0.6 250 0.8 0.4 1.0 0 300 200 150 0.0 100 50 0.7v 81n29 0.5 1.5 50 2.0 1.0 2.5 0 60 40 30 0.0 20 10 3.0 3.5 1.0v 0.2 0.6 300 0.8 0.4 1.0 0 350 250 200 0.0 150 50 0.7v 81n30 81n30 100 output current, i out (ma) output current, i out ( a) output current, i out ( a) output current, i out (ma) v ds (v) v ds (v) v ds (v) v ds (v) t a =25c t a =25c t a =25c t a =25c v in =2.0v v in =2.0v v in =0.8v v in =0.8v
81cxxx/81nxxx cmos ic unisonic technologies co., ltd 16 of 16 www.unisonic.com.tw qw-r502-039,p ? typical performance characteristics(cont.) output current, i out ( a) output current, i out (ma) utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.

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