MB3793-30A Fujitsu Media Devices, MB3793-30A Datasheet - Page 14

• Manufacturer Part Number: MB3793-30A
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: Fujitsu Media Devices

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DataSheet
14
4
MB3793
Note : Without writing the value clearly, VCC = 3.3 (V), CTP = 0.1 ( F), CTW = 0.01 ( F).
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TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
Reset output voltage vs. reset output current
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
50
45
40
35
30
25
20
15
10
5
0
0
0
Reset output current I
Watchdog timer monitoring
(V
1
Power supply voltage V
1
INH
-30A
2
=
2
0 V)
3
(P-MOS side)
3
Watchdog timer stopping
(V
4
INH
4
5
=
V
6
CC
5
)
at V
RESET
f
Duty
CK1
7
=
6
CC
CC
1 kHz
(mA)
=
8
=
=
(V)
3.3 V
CK2
10 %
7
40
9
85
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25
˚C
8
˚C
10
˚C
Reset output voltage vs. reset output current
600
500
400
300
200
100
Detection voltage vs. ambient temperature
3.12
3.10
3.08
3.06
3.04
3.02
3.00
2.98
2.96
0
40
0
at V
1
Ambient temperature Ta ( C)
Reset output current I
20
CC
2
=
(N-MOS side)
0
3
3.3 V
20
4
V
5
V
40
SH
SL
6
60
7
RESET
80
8
(Continued)
(mA)
100
9
85
40
25
˚C
˚C
10
˚C
120