Datasheet

ADM1275 Data Sheet
Rev. D | Page 16 of 48
–80
–70
–60
–50
–40
–30
–20
–10
0
I
TIMERUPFLT
(µA)
–40
TEMPERATURE (°C)
08931-021
–20 0 20 40
60
80
V
CC
= 12V
Figure 20. Timer Pull-Up Current, Overcurrent Fault (I
TIMERUPFLT
)
vs. Temperature
–20 0 20 40 60 80
–10
–8
–6
–4
–2
0
I
TIMERUPPOR
(µA)
–40
TEMPERATURE (°C)
V
CC
= 12V
08931-022
Figure 21. Timer Pull-Up Current, Power-On Reset (I
TIMERUPPOR
)
vs. Temperature
–40
–20 0 20 40 60 80
0
1.5
3.0
4.5
I
TIMERDNRT
(µA)
V
CC
= 12V
TEMPERATURE (°C)
08931-023
Figure 22. Timer Pull-Down Current, Retry (I
TIMERDNRT
)
vs. Temperature
0
100
200
300
400
500
600
700
800
900
1000
1100
TIMER THRESHOLD (mV)
–40
TEMPERATURE (°C)
08931-024
–20 0 20 40 60 80
LOW THRESHOLD (V
CC
= 12V)
HIGH THRESHOLD (V
CC
= 12V)
Figure 23. Timer Thresholds vs. Temperature
–40 –20 0
TEMPER
ATURE (
°C)
20
40 60 80
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
FOLDBACK THRESHOLD (V)
2.95V
12V
20V
08931-025
Figure 24. Foldback Threshold vs. Temperature
0
0.5
1.0
1.5
2.0
2.5
3.0
FOLDBACK HYSTERESIS CURRENT (µA)
08931-026
2.95V
12V
20V
–40
–20 0
TEMPERATURE (°C)
20 40 60 80
Figure 25. Foldback Hysteresis Current vs. Temperature