MB3793-42PF FUJITSU [Fujitsu Component Limited.], MB3793-42PF Datasheet - Page 14

• Manufacturer Part Number: MB3793-42PF
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

14
MB3793-42
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 = 1 kHz
Duty = 10%
V
V
Power Current - Power Voltage
Watchdog timer monitoring
−1 −2 −3 −4 −5 −6 −7 −8 −9 −10
Reset output current I
L
H
(V
= 0 V
= V
CC
−40 °C
+25 °C
+85 °C
Reset
CC
Ta
< V
Power voltage V
(V
SH
INH
Ta = +85 °C
(P-MOS side)
)
4.800 V
4.750 V
4.707 V
V
= 0 V)
RESET
0.01 µF 0.1 µF
MB3793-42
C
Ta = −40 °C
Watchdog timer stopping
TW
58.6 Ω
40 Ω
50 Ω
R
Inhibited
ON
(V
C
TP
RESET
INH
CC
−5 mA
Ta = +25 °C
I
RESET
= V
V
(V)
INH
CC
(mA)
)
V
CC
Detection Voltage - Operating 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
Operating ambient temperature Ta (°C)
0
−40
Reset output current I
1
−40 °C
+25 °C
+85 °C
−20
Ta = +85 °C
Ta
2
3
(N-MOS side)
0 +20 +40 +60 +80 +100
135 mV
167 mV
98 mV
V
RESET
4
5
19.6 Ω
33.4 Ω
27 Ω
R
V
Ta = +25 °C
V
6
ON
SH
SL
Ta = −40 °C
RESET
7
+5 mA
I
RESET
8
(mA)
(Continued)
9
10