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mitsumi ic for cmos system reset pst35xx, 36xx ic for cmos system reset monolithic ic pst35xx, 36xx series outline this system reset ic, developed using the cmos process, has a built-in delay function. ultra-low consumption current of 1.0? (typ.). has been achieved through use of the cmos process. also, detection voltage is high-precision detection of ?%. the small package mlf-4 (1.1 1.4 0.6mm) is used for space saving. features 1. ultra-low current consumption 1.0? typ. (v dd = vs + 1v) 2. high-precision detection voltage ?% 3. operating range 0.7 ~ 10v 4. wide operating temperature range -30 ~ +85? 5. detection voltage 0.9 ~ 6.0v (0.1v step) 6. delay time can be easily set with an external component (capacitor). packages sot-25a (pst35xxnr, pst36xxnr) sc-82aba, sc-82abb (pst36xxur, pst36xxur) sson-4 applications 1. reset circuits for microcomputers, cpus and mpus 2. reset circuits for logic circuits 3. battery voltage check circuits 4. back-up power supply switching circuits 5. level detection circuits 6. delay time can be easily set with an external component (capacitor). pin assignment 13 5 2 4 sot-25a (top view) 12 43 sc-82aba sc-82abb (top view) 1 out 2 v dd 3 gnd 4 nc 5 cd 1 gnd 2 v dd 3 cd 4 out 12 43 sson-4 (top view) 1 gnd 2 out 3 cd 4 v dd march 21, 2004
mitsumi ic for cmos system reset pst35xx, 36xx equivalent circuit diagram pst35xxur (sc-82aba/-82abb) pst35xxnr (sot-25a) pst36xxur (sc-82aba/-82abb) pst36xxnr (sot-25a) 3 1 4 2 out cd r d gnd v dd v ref : electrostatic protection element pst35xxrx (sson-4)
mitsumi ic for cmos system reset pst35xx, 36xx absolute maximum ratings (ta=25?) item symbol rating unit storage temperature t stg - 40~+125 c operating temperature t opr - 30~+85 c power supply voltage v dd max. +12 v output voltage v out v ss +0.3 v output current i out 70 ma allowable loss pd 150 mw cd pin input voltage v cd v ss -0.3~v dd +0.3 v pst35xx ur/nr item symbol rating unit storage temperature t stg - 40~+125 c operating temperature t opr - 30~+85 c power supply voltage v dd max. +12 v output voltage v out v ss - 0.3~+12 v output current i out 70 ma allowable loss pd 150 mw cd pin input voltage v cd v ss -0.3~v dd +0.3 v pst36xx ur/nr pst35xx ur/nr recommended operating conditions item symbol rating units operating temperature t opt - 30~+85 c power supply voltage v dd +0.70~+10 v pst36xx ur/nr item symbol rating units operating temperature t opt - 30~+85 c power supply voltage v dd +0.70~+10 v pin explanation pin no. pin name function 1 gnd gnd pin 2 out reset signal output pin 3 cd capacitor connect pin with delay 4 v dd v dd pin / voltage detect pin
mitsumi ic for cmos system reset pst35xx, 36xx electrical characteristics detection voltage sot-25a sc-82ab cmos output n-ch open drain cmos output n-ch open drain 0.900 2% pst3509nr pst3609nr PST3509UR pst3609ur 1.000 2% pst3510nr pst3610nr pst3510ur pst3610ur 1.100 2% pst3511nr pst3611nr pst3511ur pst3611ur 1.200 2% pst3512nr pst3612nr pst3512ur pst3612ur 1.300 2% pst3513nr pst3613nr pst3513ur pst3613ur 1.400 2% pst3514nr pst3614nr pst3514ur pst3614ur 1.500 2% pst3515nr pst3615nr pst3515ur pst3615ur 1.600 2% pst3516nr pst3616nr pst3516ur pst3616ur 1.700 2% pst3517nr pst3617nr pst3517ur pst3617ur 1.800 2% pst3518nr pst3618nr pst3518ur pst3618ur 1.900 2% pst3519nr pst3619nr pst3519ur pst3619ur 2.000 2% pst3520nr pst3620nr pst3520ur pst3620ur 2.100 2% pst3521nr pst3621nr pst3521ur pst3621ur 2.200 2% pst3522nr pst3622nr pst3522ur pst3622ur 2.300 2% pst3523nr pst3623nr pst3523ur pst3623ur 2.400 2% pst3524nr pst3624nr pst3524ur pst3624ur 2.500 2% pst3525nr pst3625nr pst3525ur pst3625ur 2.600 2% pst3526nr pst3626nr pst3526ur pst3626ur 2.700 2% pst3527nr pst3627nr pst3527ur pst3627ur 2.800 2% pst3528nr pst3628nr pst3528ur pst3628ur 2.900 2% pst3529nr pst3629nr pst3529ur pst3629ur 3.000 2% pst3530nr pst3630nr pst3530ur pst3630ur 3.100 2% pst3531nr pst3631nr pst3531ur pst3631ur 3.200 2% pst3532nr pst3632nr pst3532ur pst3632ur 3.300 2% pst3533nr pst3633nr pst3533ur pst3633ur 3.400 2% pst3534nr pst3634nr pst3534ur pst3634ur 3.500 2% pst3535nr pst3635nr pst3535ur pst3635ur 3.600 2% pst3536nr pst3636nr pst3536ur pst3636ur 3.700 2% pst3537nr pst3637nr pst3537ur pst3637ur 3.800 2% pst3538nr pst3638nr pst3538ur pst3638ur 3.900 2% pst3539nr pst3639nr pst3539ur pst3639ur 4.000 2% pst3540nr pst3640nr pst3540ur pst3640ur 4.100 2% pst3541nr pst3641nr pst3541ur pst3641ur 4.200 2% pst3542nr pst3642nr pst3542ur pst3642ur 4.300 2% pst3543nr pst3643nr pst3543ur pst3643ur 4.400 2% pst3544nr pst3644nr pst3544ur pst3644ur 4.500 2% pst3545nr pst3645nr pst3545ur pst3645ur 4.600 2% pst3546nr pst3646nr pst3546ur pst3646ur 4.700 2% pst3547nr pst3647nr pst3547ur pst3647ur 4.800 2% pst3548nr pst3648nr pst3548ur pst3648ur 4.900 2% pst3549nr pst3649nr pst3549ur pst3649ur 5.000 2% pst3550nr pst3650nr pst3550ur pst3650ur 5.100 2% pst3551nr pst3651nr pst3551ur pst3651ur 5.200 2% pst3552nr pst3652nr pst3552ur pst3652ur 5.300 2% pst3553nr pst3653nr pst3553ur pst3653ur 5.400 2% pst3554nr pst3654nr pst3554ur pst3654ur 5.500 2% pst3555nr pst3655nr pst3555ur pst3655ur 5.600 2% pst3556nr pst3656nr pst3556ur pst3656ur 5.700 2% pst3557nr pst3657nr pst3557ur pst3657ur 5.800 2% pst3558nr pst3658nr pst3558ur pst3658ur 5.900 2% pst3559nr pst3659nr pst3559ur pst3659ur 6.000 2% pst3560nr pst3660nr pst3560ur pst3660ur detection voltage measurement conditions: v dd = 9v 0v, measurement circuit 1 (1) detection voltage table ta=25?
mitsumi ic for cmos system reset pst35xx, 36xx electrical characteristics (except where noted otherwise, ta=25?) measuring circuit item symbol measurement conditions min. typ. max. unit hysteresis voltage v hys vs 0.03 vs 0.05 vs 0.07 v detection voltage temperature coefficient vs/ t - 30? < = t opt < = 85? ?.01 %/ ? consumption current 1 i ss1 v dd = ( - v det ) - 0.13v 4 8 ? consumption current 2 i ss2 v dd = ( - v det ) +2.0v 1.2 3.6 ? output voltage 1 i out1 nch: v ds =0.05v, v dd =0.7v 0.01 0.05 ma output voltage 2 i out2 v dd =1.5v, nch:v ds =0.5v, v dd =1.5v 1.0 2.0 ma output voltage 3 i out3 v dd =4.5v, pch: v ds = - 2.1v 1.0 2.0 ma delay terminal threshold voltage v tcd v dd = ( - v det ) 1.1v v dd 0.4 v dd 0.5 v dd 0.6 v delay terminal output current 1 i cd1 v ds =0.1v, v dd =0.7v 2 30 a delay terminal output current 2 i cd2 v ds =0.5v, v dd =1.5v 200 800 ? minimum operating voltage 1 v ddl1 v out < = 0.1v, t opt =25? 0.55 0.70 v minimum operating voltage 2 v ddl2 v out < = 0.1v, - 30? < = t opt < = 85? 0.65 0.80 v delay circuit resistance r d 0.5 1.0 2.0 m ? leak current i leak v dd =10v, v cd =10v, v ds =10v 0.1 ? (1) pst35xxnr (2) (3) (4) note: output current is only cmos output (pst3530nr).
mitsumi ic for cmos system reset pst35xx, 36xx (5) (6) (7) input voltage output voltage + vdet + 2.0v 0.7v gnd gnd 100% 50% (1) (2) (3) (4) pst36xxnr delay time current
mitsumi ic for cmos system reset pst35xx, 36xx (5) (6) (7) input voltage output voltage + vdet + 2.0v 0.7v gnd gnd 100% 50% timing chart supply voltage cd terminal output voltage detect voltage (+v det ) threshold voltage (v tcd ) gnd gnd delay time (t d ) delay time (td) td . = . 0.69 r d c d (f) (s) r d : c d pin resistance c d : capacitor delay time current
mitsumi ic for cmos system reset pst35xx, 36xx v v td td v dd out v hys t t +v det - v det application circuits pst35xx ur/nr please be advised that mitsumi electric co., ltd. is not liable for any accidents or damage caused as a result of the use of this circuit. in the event a problem which may affect industrial property or any other rights of us or a third party is encountered during the use of information described in these circuit, mitsumi electric co., ltd. shall not be liable for any such problem, nor grant a license therefor. please note that there is any possibility of circuit oscillation when resistance put in the line v in . pin position sot-25a sc-82ab
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3509 detection voltage 0.9v typ. cmos output) output voltage vs input voltage 0 0.7 0.75 0.8 0.85 0.9 0.95 1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 input voltage (v) output voltage (v) consumption current vs input voltage 0 0.5 1 1.5 0246810 2 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0 0.2 0.4 0.6 0.8 v ds =0.5v 1 0.40 input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time (ms) detecting voltage vs temperature 0.80 0.85 0.90 0.95 - 40 - 20 0 20 4 06080100 temperature ( c) 1.00 detecting voltage (v) hysteresis voltage vs temperature 0 10 20 30 40 50 60 70 - 40 - 20 0 20 4 06080100 80 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 0.05 0.10 0.15 - 40 - 20 0 20 4 06080100 0.20 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 0.2 0.4 0.6 0.8 - 40 - 20 0 20 4 06080100 1.0 temperature ( c) output current 2 (ma) output current 3 vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 - 40 - 20 0 20 4 06080100 5.0 temperature ( c) output current 3 (ma) cd pin threshold voltage vs temperature 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 - 40 - 20 0 20 4 06080100 0.60 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 0 10 20 30 40 50 60 70 80 90 - 40 - 20 0 20 4 06080100 100 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 - 40 - 20 0 20 4 06080100 0.40 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3528 detection voltage 2.8v typ. cmos output) output voltage vs input voltage 0 0.5 1.0 1.5 2.0 2.5 1 1.5 2 2.5 3 3.0 input voltage (v) output voltage (v) consumption current vs input voltage 0 0.5 1 1.5 2 2.5 0246810 3 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.0 1.0 2.0 3.0 0 0.5 1 1.5 2 2.5 3 4.0 v ds = 0.5v input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time (ms) detecting voltage vs temperature 2.60 2.70 2.80 2.90 - 40 - 20 0 20 40 60 80 100 3.00 temperature ( c) detecting voltage (v) hysteresis voltage vs temperature 80 100 120 140 160 180 - 40 - 20 0 20 4 06080100 200 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 0.05 0.10 0.15 - 40 - 20 0 20 4 06080100 0.20 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 - 40 - 20 0 20 40 60 80 100 8.0 temperature ( c) output current 2 (ma) output current 3 vs temperature 0.0 1.0 2.0 3.0 4.0 - 40 - 20 0 20 4 06080100 5.0 temperature ( c) output current 3 (ma) cd pin threshold voltage vs temperature 1.200 1.300 1.400 1.500 1.600 1.700 - 40 - 20 0 20 4 06080100 1.800 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 20 40 60 80 - 40 - 20 0 20 4 06080100 100 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 - 40 - 20 0 20 4 06080100 3.0 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3546 detection voltage 4.6v typ. cmos output) output voltage vs input voltage 0.0 12345 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 input voltage (v) output voltage (v) consumption current vs input voltage 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0246810 4.0 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.0 012345 6.0 v ds = 0.5 5.0 4.0 3.0 2.0 1.0 input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time ( s) detecting voltage vs temperature 4.2 - 40 - 20 0 20 4 06080100 5.0 4.8 4.6 4.4 temperature ( c) detecting voltage (v) hysteresis voltage vs temperature 160 - 40 - 20 0 20 4 06080100 300 280 260 240 220 200 180 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 0.05 0.10 0.15 - 40 - 20 0 20 4 06080100 0.20 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 - 40 - 20 0 20 4 06080100 8.0 temperature ( c) output current 2 (ma) output current 3 vs temperature 0.0 - 40 - 20 0 20 4 06080100 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 temperature ( c) output current 3 (ma) cd pin threshold voltage vs temperature 2.60 2.65 2.70 2.75 - 40 - 20 0 20 4 06080100 2.80 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 20 - 40 - 20 0 20 4 06080100 100 80 60 40 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.0 - 40 - 20 0 20 4 06080100 2.5 2.0 1.5 1.0 0.5 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3609 detection voltage 0.9v typ. n-ch open drain) output voltage vs input voltage 0.0 0 0.2 0.4 0.6 0.8 1 input voltage (v) output voltage (v) 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 consumption current vs input voltage 0 0246810 2.0 1.5 1 0.5 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.00 0 0.2 0.4 0.6 0.8 1 0.40 v ds = 0.5v 0.35 0.30 0.25 0.20 0.15 0.10 0.05 input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time (ms) detecting voltage vs temperature 0.80 - 40 - 20 0 20 4 06080100 1.00 0.95 0.90 0.85 temperature ( c) detecting voltage (v) hysteresis voltage vs temperature 0 - 40 - 20 0 20 4 06080100 80 70 60 50 40 30 20 10 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 0.05 0.10 0.15 - 40 - 20 0 20 4 06080100 0.20 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 0.2 0.4 0.6 0.8 - 40 - 20 0 20 4 06080100 temperature ( c) output current 2 (ma) 1.0 cd pin threshold voltage vs temperature 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 - 40 - 20 0 20 4 06080100 0.60 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 0 10 20 30 40 50 60 70 80 90 - 40 - 20 0 20 4 06080100 100 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 - 40 - 20 0 20 4 06080100 0.40 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3628 detection voltage 2.8v typ. n-ch open drain) output voltage vs input voltage 0.0 0.5 1.0 1.5 2.0 2.5 0 0.5 1 1.5 2 2.5 3 3.0 input voltage (v) output voltage (v) consumption current vs input voltage 0.0 0.5 1 1.5 2 2.5 0246810 3 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.0 0 0.5 1 1.5 2 2.5 3 4.0 v ds = 0.5v 3.0 2.0 1.0 input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time (ms) detecting voltage vs temperature 2.60 - 40 - 20 0 20 4 06080100 3.00 2.90 2.80 2.70 temperature ( c) detecting voltage (v) hysteresis voltage vs temperature 80 - 40 - 20 0 20 4 06080100 200 180 160 140 120 100 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 - 40 - 20 0 20 4 06080100 0.20 0.15 0.10 0.05 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 - 40 - 20 0 20 4 06080100 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 temperature ( c) output current 1 (ma) cd pin threshold voltage vs temperature 1.200 - 40 - 20 0 20 4 06080100 1.800 1.700 1.600 1.500 1.400 1.300 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 20 - 40 - 20 0 20 4 06080100 100 80 60 40 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.0 - 40 - 20 0 20 4 06080100 3.0 2.5 2.0 1.5 1.0 0.5 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx characteristics (for products with pst3646 detection voltage 4.6v typ. n-ch open drain) output voltage vs input voltage 0.0 0 1 2 3 4 5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 input voltage (v) output voltage (v) consumption current vs input voltage 0.0 0246810 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 input voltage (v) consumption current ( a) cd pin output current vs input voltage 0.0 012345 6.0 v ds = 0.5v 5.0 4.0 3.0 2.0 1.0 input voltage (v) cd pin output current (ma) delay time vs cd 0.1 1 10 100 0.0001 0.001 0.01 0.1 1 1000 cd ( f) delay time (ms) detecting voltage vs temperature 4.2 - 40 - 20 0 20 4 06080100 5.0 4.8 4.6 4.4 temperature ( c) detecting voltage (v) hysteresis voltage vs temperature 160 - 40 - 20 0 20 4 06080100 300 280 260 240 220 200 180 temperature ( c) hysteresis voltage (mv) note: these are typical characteristics.
mitsumi ic for cmos system reset pst35xx, 36xx output current 1 vs temperature 0.00 - 40 - 20 0 20 4 06080100 0.20 0.15 0.10 0.05 temperature ( c) output current 1 (ma) output current 2 vs temperature 0.0 - 40 - 20 0 20 4 06080100 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 temperature ( c) output current 2 (ma) cd pin threshold voltage vs temperature 2.60 - 40 - 20 0 20 4 06080100 2.80 2.75 2.70 2.65 temperature ( c) cd pin threshold voltage (v) cd pin output current 1 vs temperature 20 - 40 - 20 0 20 4 06080100 100 80 60 40 temperature ( c) cd pin output current 1 ( a) cd pin output current 2 vs temperature 0.0 - 40 - 20 0 20 4 06080100 2.5 2.0 1.5 1.0 0.5 temperature ( c) cd pin output current 2 (ma) note: these are typical characteristics.

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