1 ELM97 xxxx b cmos voltage detector 9 - parameter symbol limit unit power supply voltage vdd 10 v output voltage vout n-ch : vss - 0.3 to + 1 0 v cmos : vss - 0.3 to vdd + 0.3 output current iout 50 ma power dissipation pd 5 00 (sot - 89) mw 250 (sot - 23) operationg temperature top - 40 to + 85 c storage temperature tstg - 55 to + 125 c elm 97xxxxb is cmos volta g e detector ic which consists of very-low-power-consumption reference voltage source, comparator, output driver, hysteresis circuit and detection voltage setting resistor. because of positive logic output, the output becomes low level when vdd is lower than det ection voltage. there are 2 types of output style of ELM97 series: n-ch opendrain and cmos output. ELM97 series can be made as semi-custom ic within the range of 0.9v to 5. 5v(n-ch) and 1.6v to 5. 5v(cmos) by 0.1v step. ? detection voltage range ? low voltage operation ? low c urrent consumption ? a ccuracy of detection voltage ? temperature coeff i cient ? package ? reset for microcomputers ? p ower voltage shortage detectors ? switch of backup power source ? battery checkers ELM97xxxx b - x symbol a, b detection voltage e.g. : 09 : v detn =0.9v (n-ch) 24 : vdetn =2.4v(cmos) 10 : vdetn =1.0v(n-ch) 30 : vdet n =3.0v(cmos) 11 : vdetn =1.1v(n-ch) 45 : vdetn =4.5v(cmos) c output form n: n-ch(n-ch opendrain) c: cmos d package a: sot - 89 b: sot - 23 e p roduct version b f taping direction s: refer to pkg file n : refer to pkg file ELM97 x x x x b - x a b c d e f g e neral description f eatures applica tion maximum a bsolute ratings selection guide : n -ch 0.9v to 5.5v (by 0.1v) cmos 1.6 v to 5.5v ( by 0.1v ) : reset operation assured at 0.8v : typ. 1 a(vdd =1.5v) : 2.5 % : typ. - 300ppm/c( vdetn< 2v ) typ. - 100ppm/c( vdetn 2v ) : sot - 8 9, sot - 23
2 t iming chart ? ? ? pin no. pin name 1 out 2 v dd 3 v ss sot - 89 (top view ) pin no. pin name 1 out 2 v ss 3 v dd sot - 23 (top view) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? n-ch output cmos output pin configuration block diagram ELM97 xxxx b cmos voltage detector ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 9 -
3 t op = 25 c electrical characteristics (n-ch) vdetn =0.9v ( elm9 709nxb) parameter symbol condition min. typ. max. unit note detecti on voltage vdetn 0.878 0.900 0.922 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 1.5v 1.0 3.0 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =0.8v, vds =0.5v 0.002 0.100 ma 3-(1) delay time t p h l 2 ms 4 temperature characteristic of vdetn v detn t op top = - 40 c to +8 5 c - 0.27 mv/c parameter symbol condition min. typ. max. unit note detecti on voltage v detn 0.975 1.000 1.025 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 1.5v 1.0 3.0 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =0.8v, vds =0.5v 0.002 0.100 ma 3-(1) delay time t p h l 2 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 30 mv/c no te: test circuit no. v detn =1.0v ( elm9 710nxb) no te: test circuit no. parameter symbol condition min. typ. max. unit note detecti on voltage v detn 1.073 1.100 1.127 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 1.5v 1.0 3.0 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =0.8v, vds =0.5v 0.002 0.100 ma 3-(1) delay time t p h l 2 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 33 mv/c v detn =1.1v ( elm9 711nxb) no te: test circuit no. top = 25 c top = 25 c 9 - ELM97 xxxx b cmos voltage detector
4 parameter symbol condition min. typ. max. unit note detection voltage v detn 2.340 2.400 2.460 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 3.0 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0.24 mv/c t op = 25 c v detn =2.4v ( elm9 724cxb) no te: test circuit no. top = 25 c no te: test circuit no. top = 25 c no te: test circuit no. v detn =2.2v ( elm9 722cxb) parameter symbol condition min. typ. max. unit note detection voltage v detn 2.145 2.200 2.255 v 2 hysteresis width vhys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 3.0 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn top top = - 40 c to +8 5 c - 0.22 mv/c v detn =2.5v ( elm9 725cxb) parameter symbol condition min. typ. max. unit note detection voltage v detn 2.438 2.500 2.562 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 3.0 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 25 mv/c electrical characteristics (cmos) 9 - ELM97 xxxx b cmos voltage detector
5 top = 25 c no te: test circuit no. t op = 25 c no te: test circuit no. parameter symbol condition min. typ. max. unit note detection voltage v detn 2.633 2.700 2.767 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 4.5 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn top top = - 40 c to +8 5 c - 0. 27 mv/c top = 25 c v detn =2.7v ( elm9 727cx b) no te: test circuit no. parameter symbol condition min. typ. max. unit note detection voltage v detn 3.120 3.200 3.280 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 4 . 5 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn top top = - 40 c to +8 5 c - 0. 3 2 mv/c v detn =3.2v ( elm9 732cxb) v detn =3.0v ( elm9 730cxb) parameter symbol condition min. typ. max. unit note detection voltage v detn 2.925 3.000 3.075 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 4 . 5 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 30 mv/c 9 - ELM97 xxxx b cmos voltage detector
6 top = 25 c no te: test circuit no. parameter symbol condition min. typ. max. unit note detection voltage v detn 3.315 3.400 3.485 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 4.5 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =4.5v, vds =2.1v 0.5 1.5 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 34 mv/c t op = 25 c v detn =3.4v ( elm9 734cxb) no te: test circuit no. parameter symbol condition min. typ. max. unit note detection voltage v detn 4.680 4.800 4.920 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 6 .0 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current ioutn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =6.0v, vds =2.1v 0.5 2.0 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 48 mv/c top = 25 c v detn =4.8v ( elm9 748cxb) no te: test circuit no. v detn =4.5v ( elm9 745cxb) parameter symbol condition min. typ. max. unit note detection voltage v detn 4.388 4.500 4.612 v 2 hysteresis width v hys v detn 0.02 v detn 0.0 8 v 2 current consumption iss vdd = 6 .0 v 1.5 4.5 a 1 power voltage vdd 0.8 6.0 v 2 output current i outn vdd =1.5v, vds =0.5v 1.0 2.0 ma 3-(1) i out p vdd =6.0v, vds =2.1v 0.5 2.0 3-(2) delay time t p h l 0.1 ms 4 temperature characteristic of v detn v detn t op top = - 40 c to +8 5 c - 0. 45 mv/c 9 - ELM97 xxxx b cmos voltage detector
7 t est circuits 1) c urrent co nsumption ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 2 ) d etection voltage ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? * r =1m 3 )-(1) output current (n - ch) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 3 )-(2) output current (p - ch) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 4 ) delay time ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ** input pulse ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? * r =1m r is unnecessary for cmos output products. 9 - ELM97 xxxx b cmos voltage detector
8 marking mark vdetn mark v detn a 0 . * v (n-ch) p 2. * v (cmos) b 1 . * v (n-ch) r 3 . * v (cmos) c 2 . * v (n-ch) s 4 . * v (cmos) d 3 . * v (n-ch) t 5 . * v (cmos) e 4 . * v (n-ch) u 1 . * v (cmos) f 5 . * v (n-ch) mark v detn mark v detn 0 * .0v 5 * .5v 1 * .1v 6 * .6v 2 * .2v 7 * .7v 3 * .3v 8 * .8v 4 * .4v 9 * .9v a : the integer digit of the detection voltage b : the decimal digit of the detection voltage ? ? ? ? ? ? ? ? s ot - 89 s ot - 2 3 ? rule 1 mark v detn mark v detn 0 0 . * v (n-ch) y 2. * v (cmos) 1 1 . * v (n-ch) w 3 . * v (cmos) 2 2 . * v (n-ch) u 4 . * v (cmos) 3 3 . * v (n-ch) v 5 . * v (cmos) 4 4 . * v (n-ch) z 1 . * v (cmos) 5 5 . * v (n-ch) mark v detn mark v detn 0 * .0v 5 * .5v 1 * .1v 6 * .6v 2 * .2v 7 * .7v 3 * .3v 8 * .8v 4 * .4v 9 * .9v a : a (e lm97 series mark) c : the decimal digit of the detection voltage ? rule 2 b : the integer digit of the detection voltage remarks : ELM97 series have two kinds of marking rules each package. 9 - ELM97 xxxx b cmos voltage detector d : a ssembly lot no. 0 to 9 and a to z (i, o, x excepted ) c : a ssembly lot no. a to z (i, o, x excepted ) d : a ssembly lot no. 0 to 9
9 t ypical characteristics ? v detn =1.1v, n-ch ( elm9 711nxb) 9 - ELM97 xxxx b cmos voltage detector ? ? ? ? ? ? ? ? ??????? ????? ? ?? ????????? ?? ? ?? ? ??? ? ??? ??? ??? ??? ??? ??? ??? ??? ? ? ??????? ????????? ?????????? ???????? ???????? ??? ? ?? ?? ?? ?? ??? ??? ?????? ? ? ???????? ?????????? ????? ????? ??? ??? ? ??? ??? ? ??? ? ??? ? ??????? ????????? ?????????? ??? ? ?? ? ?? ? ????? ???? ??? ? ??? ? ?? ??? ???? ? ?? ?????????????? ?????????????? ???? ???? 1 2 3 1 2 3 4 0 vdd (v) vout (v) vout - vdd -30 ? 25 ? 80 ? (3v pullup 1m ? )
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