Datasheet

ADM8690/ADM8691/ADM8695 Data Sheet
Rev. C | Page 10 of 24
TIME (µs)
6
5
0
1.35
1.25
2
1
4
3
V
CC
= 5V
T
A
= 25°C
PFO
V
PFI
1.3V
30pF
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
00093-021
PFI
PFO
Figure 11. Power-Fail Comparator Response Time, Falling
TIME (µs)
6
5
0
1.35
1.25
2
1
4
3
0 1020304050607080
PFO
PFI
PFO
V
PFI
1.3V
30pF
V
CC
= 5V
T
A
= 25°C
90
00093-022
Figure 12. Power-Fail Comparator Response Time, Rising
TIME (µs)
6
5
0
1.35
1.25
2
1
4
3
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
PFO
5V
V
PFI
1.3V
10kΩ
30pF
V
CC
= 5V
T
A
= 25°C
00093-023
PFI
PFO
Figure 13. Power-Fail Comparator Response Time with Pull-Up Resistor