mb3793-27apnf Fujitsu Microelectronics, Inc., mb3793-27apnf Datasheet - Page 14

• Manufacturer Part Number: mb3793-27apnf
• Description: Power-voltage Monitoring Ic With Watchdog Timer
• Manufacturer: Fujitsu Microelectronics, Inc.

14
MB3793
(Continued)
Watchdog timer reset time vs.ambient temperature
26
24
22
20
18
16
14
12
10
7
6
5
4
3
2
1
0
Reset output voltage vs. power supply voltage
8
6
4
2
0
0
Ta = 85 C
40
-27A
Ambient temperature
Power supply voltage
Ta = 40 C to 85 C
20 0
Ta = 25 C
1
(When monitoring)
Ta = 25 C
Ta = 40 C
Pull-up resistance 100 k
20 40 60 80 100
2
TYP
MIN
MAX
Ta ( C)
3
V
CC
(V)
4
Watchdog timer monitoring time vs. ambient temperature
26
24
22
20
18
16
14
12
10
Power-on reset hold time vs.ambient temperature
8
6
4
2
0
200
180
160
140
120
100
80
60
40
20
0
40
Ambient temperature
40
20 0
Ta = 40 C to 85 C
Ambient temperature
20
Ta = 40 C to 85 C
(When Vcc rising)
Ta = 25 C
0
20
20 40
Ta = 25 C
TYP
MAX
MIN
40 60 80 100
TYP
MIN
MAX
60 80 100
Ta ( C)
Ta ( C)
(Continued)