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MB3793-27A Datasheet, PDF (16/30 Pages) Fujitsu Component Limited. – Power Voltage Monitoring IC with Watchdog Timer | |||
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10. 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)
MB3793-27A
Detection voltage vs.
Operating ambient temperature
3.0
Ta = â40 °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 = â40 °C to +85 °C)
2.5
â40 â20 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
2.9
2.8
2.7
2.6
2.5
2.4
2.3
0
â1 â2
â40°C
+25°C
+85°C
â3 â4 â5
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
â40°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 (ïF), CTW = 0.01 (ïF).
Document Number: 002-08550 Rev. *A
Page 16 of 30
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