X5001
Vcc Supply Current vs. Temperature (I
)
t
t
t
vs. Voltage/Temperature (WD1,0=1,1)
SB
WDO
1.85
20
18
Watchdog Timer On (Vcc = 5V)
17
1.80
1.75
1.70
1.65
1.60
14
15
–40°C
Watchdog Timer On (Vcc = 3V)
11
1.55
1.50
1.45
1.40
25°C
90°C
Watchdog Timer Off (Vcc = 3V, 5V)
1.0
90C
0.55
0.35
1.7
3.1
Voltage
4.5
–40C
25C
Temp (c)
V
vs. Temperature (programmed at 25°C)
vs. Voltage/Temperature (WD1,0=1,0)
WDO
TRIP
5.025
0.85
Vtrip=5V
5.000
0.80
4.975
3.525
–40°C
0.75
Vtrip=3.5V
Vtrip=2.5V
25°C
3.500
3.475
0.70
90°C
2.525
2.500
2.475
0.65
0.60
1.7
3.1
4.5
0
25
85
Voltage
Temperature
t
vs. Temperature
vs. Voltage/Temperature (WD1,0 0=0,1)
PURST
WDO
280
275
270
265
260
255
250
245
240
0.30
0.29
0.28
0.27
0.26
0.25
0.24
0.23
0.22
0.21
0.20
–40°C
25°C
90°C
235
–40
1.7
3.1
Voltage
4.5
25
90
Degrees °C
15
XICOR [ XICOR INC. ]
