Typical Performance Curves–ADM8690–ADM8695
2.8
5.00
4.99
4.98
4.97
4.96
4.95
4.94
A4
3.36 V
2.798
2.796
2.794
2.792
2.79
100
90
10
0%
2.788
2.786
1V
1V
500ms
150 250 350 450 550 650 750 850 950 1050
– µA
10 20 30 40 50 60 70 80 90 100
– mA
I
I
OUT
OUT
Figure 10. Reset Output Voltage vs
Supply Voltage
Figure 8. VOUT vs. IOUT Norm al
Operation
Figure 9. VOUT vs. IOUT Battery
Backup
4.69
1.315
1.31
53
V
= +5V
CC
V
= +5V
4.67
4.65
4.63
4.61
4.59
4.57
4.55
CC
52
51
50
49
1.305
1.3
1.295
ADM8690
ADM8691
ADM8692
ADM8693
1.29
1.285
1.28
–60
–30
0
30
60
90
120
–60
–30
0
30
60
90
120
20
40
60
80
100
120
TEMPERATURE –
°
C
TEMPERATURE –
°C
TEMPERATURE –
°C
Figure 13. Reset Voltage Threshold
vs. Tem perature
Figure 11. PFI Input Threshold vs.
Tem perature
Figure 12. Reset Active Tim e vs.
Tem perature
6
6
6
V
T
= 5V
CC
= +25
V
T
= 5V
V
T
= 5V
CC
CC
5
4
3
2
1
0
5
4
3
2
1
0
5
4
3
2
1
0
°
C
A
= +25°C
= +25°C
A
A
V
PFI
+5V
10kΩ
30pF
PFO
1.3V
30pF
V
PFI
V
PFO
PFI
1.3V
PFO
30pF
1.3V
1.35
1.25
1.35
1.25
1.35
1.25
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
TIME – µs
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TIME – µs
0
10 20 30 40 50 60 70 80 90
TIME – µs
Figure 16. Power Fail Com parator
Response Tim e with Pull-Up Resistor
Figure 14. Power Fail Com parator
Response Tim e
Figure 15. Power Fail Com parator
Response Tim e
REV. 0
–9–
ADI [ ADI ]
