MB3793-27A Datasheet, PDF (13/25 Pages) Fujitsu Component Limited. – Power Voltage Monitoring IC with Watchdog Timer

MB3793-27A
■ TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
40
35
30
25
20
Watchdog timer monitoring
15
(VINH = 0 V)
10
f = 1 kHz
Duty = 10 %
VL = 0 V
VH = VCC
MB3793-27A
VINH ^VCC
CTW
CTP
0.01 µF 0.1 µF
0
1.0
2.0
3.0
4.0
Power supply voltage VCC(V)
Detection voltage vs.
Operating ambient temperature
3.0
Ta = −40 °C to +85 °C
VSH (Ta = +25 °C)
2.9
2.8
MAX
2.7
TYP
MAX
TYP
MIN
VSH
VSL
MIN
2.6
VSL (Ta = +25 °C)
(Ta = −40 °C to +85 °C)
2.5
−40 −20 0 +20 +40 +60 +80 +100
Operating ambient temperature Ta (°C)
Reset output voltage vs. reset output current
(P-MOS side)
3.3
3.2
3.1
3.0
−40°C
+25°C
2.9
+85°C
2.8
2.7
2.6
2.5
2.4
2.3
0 −1 −2 −3 −4 −5
Reset output current IRESET (mA)
Reset output voltage vs. reset output current
(N-MOS side)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
+85°C
0.3
+25°C
0.2
−40°C
0.1
0
012 34 5
Reset output current IRESET (mA)
Note: Without writing the value clearly, VCC = 3.3 (V), CTP = 0.1 (µF), CTW = 0.01 (µF).
(Continued)
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