MB3793-42 Fujitsu Media Devices, MB3793-42 Datasheet - Page 14

• Manufacturer Part Number: MB3793-42
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: Fujitsu Media Devices

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DataSheet
14
4
MB3793-42
U
.com
TYPICAL CHARACTERISTICS
Reset Output Voltage - Reset Output Current
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
40
35
30
25
20
15
10
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10
f
Duty
V
V
Power Current - Power Voltage
Watchdog timer monitoring
L
H
Reset output current I
(V
1
1 kHz
CC
Reset
0 V
V
40 C
25 C
85 C
CC
Ta
10
2
Power voltage V
V
(V
SH
INH
Ta = 85 C
3
(P-MOS side)
)
4.800 V
4.750 V
4.707 V
V
= 0 V)
RESET
4
0.01 F 0.1 F
MB3793-42
C
Ta = 40 C
Watchdog timer stopping
TW
5
58.6
40
50
R
6
Inhibited
ON
(V
C
RESET
TP
INH
CC
7
Ta = 25 C
I
RESET
5 mA
V
(V)
V
INH
8
(mA)
CC
)
V
9
CC
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10
Detection Voltage - Ambient Temperature
Reset Output Voltage - Reset Output Current
500
400
300
200
100
4.5
4.4
4.3
4.2
4.1
4.0
0
0
1
Reset output current I
40
Ambient temperature Ta ( C)
40 C
25 C
85 C
Ta = 85 C
Ta
2
20
3
(N-MOS side)
0
135 mV
167 mV
98 mV
V
RESET
4
20 40 60 80 100
5
19.6
33.4
27
R
V
Ta = 25 C
V
6
ON
SH
SL
Ta = 40 C
RESET
7
I
RESET
5 mA
(mA)
8
(Continued)
9
10