MB3793-37A Fujitsu Microelectronics, Inc., MB3793-37A Datasheet - Page 13

• Manufacturer Part Number: MB3793-37A
• Description: Power Voltage Monitoring Ic With Watchdog Timer
• Manufacturer: Fujitsu Microelectronics, Inc.

TYPICAL CHARACTERISTICS
Power supply current-Power supply voltage
40
35
30
25
20
15
10
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
Reset output voltage-Reset output current
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10
0
f = 1 kHz
Duty = 10%
V
V
L
H
= 0 V
= V
1
Reset output current: I
+25 C
+85 C
CC
Power supply voltage: V
40 C
Ta
2
Ta = 85 C
3
Watchdog timer monitoring
(P-MOS side)
4.800 V
4.750 V
4.707 V
V
0.01 F 0.1 F
RESET
4
MB3793-37A
C
TW
Ta = 40 C
(V
5
INH
58.6
40
50
R
C
6
= 0 V)
ON
RESET
TP
7
CC
V
Ta = +25 C
I
RESET
5 mA
INH
(mA)
(V)
8
V
CC
9
10
500
400
300
200
100
4.0
3.9
3.8
3.7
3.6
3.5
0
Reset output voltage-Reset output current
0
Detection voltage-Ambient temperature
40
1
+25 C
+85 C
MAX
TYP
Reset output current: I
MIN
40 C
Ta = 40 C to +85 C
20
Ta = +85 C
Ta
2
Ambient temperature: Ta ( C)
0
V
V
3
SH
SL
(N-MOS side)
135 mV
167 mV
98 mV
V
(Ta = +25 C)
(Ta = +25 C)
20 40 60 80 100
RESET
4
TYP
MIN
MAX
5
19.6
33.4
27
R
Ta = +25 C
6
ON
RESET
Ta = 40 C
MB3793
7
+5 mA
I
RESET
(mA)
(Ta = 40 C to +85 C)
V
8
SL
9
V
SH
10
(Continued)
-37A
13