1 parameter symbol limit unit power supply voltage vdd vss-0.3 to 10 .0 v input voltage(for detection voltage) vdet vss-0.3 to 10 .0 v output voltage vout 1 vss-0.3 to 10 .0 v vout 2 output current iout 1 25 ma iout 2 power dissipation pd 25 0 mw operationg temperature top - 40 to + 85 c storage temperature tstg - 55 to + 125 c elm77 xxxx x c cmos dual voltage detector elm 77 xxx xxc is cmos dual voltage detector which consists of two comparator circuit s wa tching v detn2 (vdd l evel) and vdetn1(vdet input level) simul taneously and independently . this con?guration enables output to maintain the state of detection even when v oltage of the vdet input l evel drops to 0v. g e neral description f eatures applica tion ? reset for microcomputers ? p ower voltage shortage detectors ? switch of backup power source ? battery checkers maximum a bsolute ratings ? detection voltage range ? low current consumption ? high a ccuracy of detection voltage ? high input resistance ? low t emperature coeff i cient ? o utput conf i guration ? small p ackage : vdetn 1 (vdet) 0. 8 v to 5.0v (by0.1v) vdetn 2 (vdd) 1.1 v to 5.0v (by0.1v) : typ. 0. 6 a ( vdd=3.0v ) : 2 .0%( vdetn1,2 > 1.5v) 30mv ( vdetn1,2 1.5v) : typ. 10 m : typ. 100ppm/ c : n-ch open-drain : sot - 25 10 - elm77xxx xxc - x symbol a, b detection voltage 2 e.g.) 22 : v detn 2 =2.2v, 2 4 : v detn 2 =2.4v 2 7 : v detn 2 =2.7v c, d detection voltage 1 e.g.) 09 : v detn 1 =0.9v, 11 : v detn 1 =1.1v e p ackage b: sot-25 f product version c g taping d irection s: refer to pkg file n : refer to pkg file elm77 x x x x x c - x a b c d e f g selection guide
2 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? pin no. pin name 1 out 1 2 v dd 3 v ss 4 v det 5 out 2 sot - 2 5 (top v iew) pin configuration block diagram ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 10 -
3 operating t iming chart elm77 xxxx x c cmos dual voltage detector electrical characteristics parameter symbol condition min. typ. max. unit note operating voltage vdd 1.0 6.0 v - detecti on voltage 1 vdetn 1 vdd =1.5v, vdet=voltage detected 1 .070 1 .100 1.130 v 1 detecti on voltage 2 v detn 2 vdd = voltage detected 2.156 2.200 2.244 v 1 hysteresis width 1 v hys 1 vdetn 1 0.0 4 vdetn 1 0.0 8 vdetn 1 0. 12 v 1 hysteresis width 2 v hys 2 vdetn 2 0.0 2 v detn 2 0.04 vdetn 2 0.0 6 v 1 current consumption idd vdd =3.0v, vdet=0v, out1,2:open 0.6 2.0 a 2 output current 1 ioutn 1 vdd =1.0v, vdet=0v, v out1 =0v 1 3 ma 3 output current 2 i outn 2 vdd =1.0v, v out 2 = 0.5v 1 3 ma 3 open drain leakage current 1 ileak1 vdd=6.0v, vdet=6.0v, vout1=6.0v 0.001 0.400 a 3 open drain leakage current 2 ileak 2 vdd=6.0v, vdet=6.0v, vout2=6.0v 0.001 0.400 a 3 i nput resistance r det vdet=5.0v, vdd=0v 10 m 4 detect delay 1 tp h l 1 vdd=6.0v, vdet=6.0v0v 1 6 0 s 5 detect delay 2 tphl 2 vdd=6.0v 1.0v 7 0 s 6 release delay 1 tplh1 vdd=6.0v, vdet=0v6.0v 120 s 5 release delay 2 tplh 2 vdd=1.0v 6.0v 6 0 s 6 temperature coeff i cient of vdetn vdetn top top =-40 c to +85 c 10 0 ppm / c - elm 7722 11b c(vdetn1=1.1v, vdetn2=2.2v) rpullup=100k, vpullup=3v unless otherwise specified. top = 25 c note : test circuit no. 10 - ? ? ? ????? ? ?????? ? ? ? ? ?????? ??? ? ? ??? ? ? ?? ? ? ? ? ? ?? ?? ? ???? ? ? ? ?? ? ??????? ?? ? ??? ????? ? e f u o ? ? i z t ? ? ? ?? ? ??????? ?? ? ??? ???? ? ??? ?? ? ? e f u o ? ? i z t ? ?? ? ?? ?? ??? ??? ??? ?? ??? ?? ? ?? ? ? ? ? ? ?? ? ? ? ? ? ? ?? ? e f u q ? ? e f u q ? ??? ???? ???? ?????? ?????? ??????? ??????? ???? ????? ????? ? ????? ????? ????? ????? ???? ??? ????????????????????????????? * output status is undefined when vdd is lower than min. operating voltage.
4 elm77 xxxx x c cmos dual voltage detector parameter symbol condition min. typ. max. unit note operating voltage vdd 1.0 6.0 v - detecti on voltage 1 vdetn 1 vdd =1.5v, vdet=voltage detec ted 0 .870 0 .900 0.930 v 1 detecti on voltage 2 v detn 2 vdd = voltage detected 2.352 2.400 2.448 v 1 hysteresis width 1 v hys 1 vdetn 1 0.0 4 vdetn 1 0.0 8 vdetn 1 0. 12 v 1 hysteresis width 2 v hys 2 vdetn 2 0.0 2 v detn 2 0.04 vdetn 2 0.0 6 v 1 current consumption idd vdd =3.0v, vdet=0v, out1,2:open 0.6 2.0 a 2 output current 1 ioutn 1 vdd =1.0v, vdet=0v, v out1 =0v 1 3 ma 3 output current 2 i outn 2 vdd =1.0v, v out 2 = 0.5v 1 3 ma 3 open drain leakage current 1 ileak1 vdd=6.0v, vdet=6.0v, vout1=6.0v 0.001 0.400 a 3 open drain leakage current 2 ileak 2 vdd=6.0v, vdet=6.0v, vout2=6.0v 0.001 0.400 a 3 i nput resistance r det vdet=5.0v, vdd=0v 10 m 4 detect delay 1 tphl1 vdd=6.0v, vdet=6.0v0v 1 6 0 s 5 detect delay 2 tphl 2 vdd=6.0v 1.0v 7 0 s 6 release delay 1 tplh1 vdd=6.0v, vdet=0v6.0v 120 s 5 release delay 2 tplh 2 vdd=1.0v 6.0v 6 0 s 6 temperature coeff i cient of vdetn vdetn top top =-40 c to +85 c 10 0 ppm / c - elm 772 4 0 9 b c(vdetn1=0.9v, vdetn2=2.4v) rpullup=100k, vpullup=3v unless otherwise specified. top = 25 c note : test circuit no. parameter symbol condition min. typ. max. unit note operating voltage vdd 1.0 6.0 v - detecti on voltage 1 vdetn 1 vdd =1.5v, vdet=voltage detec ted 0 .870 0 .900 0.930 v 1 detecti on voltage 2 v detn 2 vdd = voltage detected 2.645 2.700 2.754 v 1 hysteresis width 1 v hys 1 vdetn 1 0.0 4 vdetn 1 0.0 8 vdetn 1 0. 12 v 1 hysteresis width 2 v hys 2 vdetn 2 0.0 2 v detn 2 0.04 vdetn 2 0.0 6 v 1 current consumption idd vdd =3.0v, vdet=0v, out1,2:open 0.6 2.0 a 2 output current 1 ioutn 1 vdd =1.0v, vdet=0v, v out1 =0v 1 3 ma 3 output current 2 i outn 2 vdd =1.0v, v out 2 = 0.5v 1 3 ma 3 open drain leakage current 1 ileak1 vdd=6.0v, vdet=6.0v, vout1=6.0v 0.001 0.400 a 3 open drain leakage current 2 ileak 2 vdd=6.0v, vdet=6.0v, vout2=6.0v 0.001 0.400 a 3 i nput resistance r det vdet=5.0v, vdd=0v 10 m 4 detect delay 1 tphl1 vdd=6.0v, vdet=6.0v0v 1 6 0 s 5 detect delay 2 tphl 2 vdd=6.0v 1.0v 7 0 s 6 release delay 1 tplh1 vdd=6.0v, vdet=0v6.0v 120 s 5 release delay 2 tplh 2 vdd=1.0v 6.0v 6 0 s 6 temperature coeff i cient of vdetn vdetn top top =-40 c to +85 c 10 0 ppm / c - elm 772 7 0 9 b c(vdetn1=0.9v, vdetn2=2.7v) rpullup=100k, vpullup=3v unless otherwise specified. top = 25 c note : test circuit no. 10 -
5 t est circuits 1) detection voltage & hysteresis width ????????? ? ? ???? ???? ??? ???? ??? ????? ????? ??? ? ? ? ? 2 ) current consumption ??????????? ???? ???? ??? ???? ??? ??? ? 5 ) delay time 1 & release time 1 ??????????? ???? ???? ??? ???? ??? ????? ??? ?? 1 6 ) delay time 2 & release time 2 3 ) output current & leakage current ??????????? ???? ???? ??? ???? ??? ??? ? pg1 wave form ??????????? ???? ???? ??? ???? ??? ????? ??? ?? 2 4 ) input resistance ??????????? ???? ???? ??? ???? ??? ??? ? ? ??? ? ? ? ? elm77 xxxx x c cmos dual voltage detector pg2 wave form ? ? ? ? ? ? 10 - pg 1 pg 2
6 detection voltage accuracy refernce ta rget (v) accuracy (mv, %) detection voltage (v) vdetn1 vdetn 2 min. max. 0.8 - 30mv 0.770 0.830 0.9 - 0.870 0.930 1.0 - 0.970 1.030 1.1 1.1 1.070 1.130 1.2 1.2 1.170 1.230 1.3 1.3 1.270 1.330 1.4 1.4 1.370 1.430 1.5 1.5 2 % 1.470 1.530 1.6 1.6 1.568 1.632 1.7 1.7 1.666 1.734 1.8 1.8 1.764 1.836 1.9 1.9 1.862 1.938 2.0 2.0 1.960 2.040 2.1 2.1 2.058 2.142 2.2 2.2 2.156 2.244 2.3 2.3 2.254 2.346 2.4 2.4 2.352 2.448 2.5 2.5 2.450 2.550 2.6 2.6 2.548 2.652 2.7 2.7 2.646 2.754 2.8 2.8 2.744 2.856 2.9 2.9 2.842 2.958 elm77 xxxx x c cmos dual voltage detector ? ? ? ? a to d : a ssembly lot no. a to z (i, o, x excepted ) and 0 to 9 marking s ot - 2 5 ta rget (v) accuracy (mv, %) detection voltage (v) vdetn1 vdetn 2 min. max. 3.0 3.0 2 % 2.940 3.060 3.1 3.1 3.038 3.162 3.2 3.2 3.136 3.264 3.3 3.3 3.234 3.366 3.4 3.4 3.332 3.468 3.5 3.5 3.430 3.570 3.6 3.6 3.528 3.672 3.7 3.7 3.626 3.774 3.8 3.8 3.724 3.876 3.9 3.9 3.822 3.978 4.0 4.0 3.920 4.080 4.1 4.1 4.018 4.182 4.2 4.2 4.116 4.284 4.3 4.3 4.214 4.386 4.4 4.4 4.312 4.488 4.5 4.5 4.410 4.590 4.6 4.6 4.508 4.692 4.7 4.7 4.606 4.794 4.8 4.8 4.704 4.896 4.9 4.9 4.802 4.998 5.0 5.0 4.900 5.100 10 -
7 typical performance characteristics elm77 xxxx x c cmos dual voltage detector ? elm772211 bc idd vs vdd 1 1.02 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 -40 -20 0 20 40 60 80 ambient temperature ( ? ) vdetn1, vdetp1 (v) ? vdetn1 vdetp1 vhys1 v detn1, vdetp1 vs ta ? 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 2.5 3 vdd (v) vout2 (v) -30 ? 25 ? 80 ? cond. rpullup=100k vpullup=3v ta=25 ? vout 2 vs vd d ? 2.1 2.12 2.14 2.16 2.18 2.2 2.22 2.24 2.26 2.28 2.3 2.32 -40 -20 0 20 40 60 80 ambient temperature ( ? ) vdetn2, vdetp2 (v) ? vdetn2 vdetp2 vhys2 v detn2, vdetp2 vs ta ? 0 0.5 1 1.5 2 2.5 3 3.5 0.8 0.9 1 1.1 1.2 1.3 1. 4 vdet (v) vout1 (v) -30 ? 25 ? 80 ? cond. rpullup=100k vpullup=3v ta=25 ? vout1 vs vd et 10 - ? ? ? ? ??? ?? ? 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 1 2 3 4 5 6 vdd (v) idd (?a) 80 ? -30 ? 25 ? ? cond. vdet=0v vout1=open vout2=open ta=25 ?
8 elm77 xxxx x c cmos dual voltage detector ? elm772 409 bc 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 1 2 3 4 5 6 vdd (v) idd (?a) 80 ? -30 ? 25 ? cond. vdet=0v vout1=open vout2=open ta=25 ? idd vs vdd ? 0.8 0.82 0.84 0.86 0.88 0.9 0.92 0.94 0.96 0.98 1 -40 -20 0 20 40 60 80 ambient temperature ( ? ) vdetn1, vdetp1 (v) ? vdetn1 vdetp1 vhys1 v detn1, vdetp1 vs ta ? 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 2.5 3 vdd (v) vout2 (v) -30c 25c 80c cond. rpullup=100k vpullup=3v ta=25c vout 2 vs vd d ? 2.3 2.35 2.4 2.45 2.5 2.55 2.6 -40 -20 0 20 40 60 80 ambient temperature (c) cdetn2, vdetp2 (v) ? vdetn2 vdetp2 vhys2 v detn2, vdetp2 vs ta ? 0 0.5 1 1.5 2 2.5 3 3.5 0.7 0.8 0.9 1 1. 1 vdet (v) vout1 (v) -30 ? 25 ? 80 ? cond. rpullup=100k vpullup=3v ta=25 ? vout1 vs vd et 10 -
9 elm77 xxxx x c cmos dual voltage detector ? 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 vout1, vout2 (v) iout1, iout2 (ma) ? cond. vdet=0v ta=25c vdd=1.0v vdd=1.2v vdd=1.5v iout-v out 1.e+01 1.e+02 1.e+03 1.e+04 1.e-04 1.e-03 1.e-02 1.e-01 cload (?f) tphl1, tplh1 (?s) ? cond. rpullup=100k vpullup=3v vdd=6v ?vdet=6v ? 1v(fall) ?vdet=1v ? 6v(rise) ta=25c ? ? ? ? ? ? ? ? ? ? tphl 1, tplh1 vs cload ? 1.e+01 1.e+02 1.e+03 1.e+04 1.e-04 1.e-03 1.e-02 1.e-0 1 cload (?f) tphl2, tplh2 (?s) cond. rpullup=100k vpullup=3v ?vdd=6v ? 1v (fall) ?vdd= ? v ? 6v (rise) ta=25c tphl1 tplh1 tphl 2 , tplh2 vs cload ? elm77 xx xx bc ? 0 1 2 3 4 5 6 7 8 9 10 0 0.2 0.4 0.6 0. 8 vout1, vout2 (v) iout1, iout2 (ma) cond. vdet=0v vdd=1.5v 25c -30c 80c iout vs v out 0 50 100 150 200 250 300 350 400 -40 -20 0 20 40 60 80 ambient temperature (c) tphl1 (?s) cond. rpullup=100k vpullup=3v vdd=6v ?vdet=6v~0v (fall) tphl1 tphl1 vs ta ? 0 20 40 60 80 100 120 140 160 -40 -20 0 20 40 60 80 ambient temperature (c) tphl2 (?s) ? cond. rpullup=100k vpullup=3v ?vdd=6v ? 1v(fall) tphl2 tphl2 vs ta 10 -
10 ? elm77 xx11 bc 0 0.1 0.2 0.3 0.4 0.5 -40 -20 0 20 40 60 80 ambient temperature (c) idet (?a) vdet=3v vdet=4.5v vdet=1.5v idet vs ta 0 0.05 0.1 0.15 0.2 0.25 0.3 0 0.5 1 1.5 2 2.5 3 vdet (v) idet (?a) ? cond. ta=25c rdet~10m? idet vs vd et ? 0 1 2 3 4 5 6 7 8 -40 -20 0 20 40 60 80 ambient temperature (c) iout1, iout2 (ma) ? cond. vdd=1.5v vdet=0v vout1=0.5v vout2=0.5v i out1, iout2 vs ta elm77 xxxx x c cmos dual voltage detector 10 -
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