MB3793-45 Datasheet, PDF (15/28 Pages) Fujitsu Component Limited. – POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER

■ TYPICAL CHARACTERISTICS
ICC - VCC characteristics
MB3793
VINH VCC
fCK= 1 kHz, Duty = 10%
VL = 0 V/VH = VCC
CTW = 0.01 μF, CTP = 0.1 μF
45
40
Watchdog timer monitoring
35
(VINH = 0 V)
30
25
20
0
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Power voltage VCC (V)
V RESET - I RESET characteristics
(P-MOS side)
5.0
Ta = -40 °C
4.9
Ta = +25 °C
4.8
4.7
4.6
4.5
Ta = +85 °C
4.4
4.3
4.2
4.1
4.0
0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10
Reset output current I RESET (mA)
DS04-27405-2E
MB3793-45
VSH, VSL - Ta characteristics
4.8
4.7
VSH
4.6
VSL
4.5
4.4
4.3
-40 -20 0 +20 +40 +60 +80 +100 +120
Operating ambient temperature Ta (°C)
V RESET - I RESET characteristics
(N-MOS side)
0.6
0.5
0.4
Ta = +25 °C
0.3
Ta = +85 °C
0.2
0.1
Ta = -40 °C
0
0 1 2 3 4 5 6 7 8 9 10
Reset output current I RESET(mA)
(Continued)
15