7.5
7.4
7.3
7.2
ON TIME
7.1
7.0
6.9
6.8
6.7
6.6
–40
0
25
70
85
TEMPERATURE – ؇C
Figure 8. Switch ON Time vs. Temperature
ADP1111
1.10
1.05
1.00
VIN = 12V @ ISW = 0.65A
0.95
0.90
0.85
0.80
–40
0
25
70
85
TEMPERATURE – ؇C
Figure 11. Switch ON Voltage vs. Temperature in Step-
Down Mode
58
56
DUTY CYCLE
54
52
50
48
46
–40
0
25
70
85
TEMPERATURE – ؇C
Figure 9. Duty Cycle vs. Temperature
500
450
400
350
300
250
200
150
100
50
0
–40
QUIESCENT CURRENT
0
25
70
85
TEMPERATURE – ؇C
Figure 12. Quiescent Current vs. Temperature
0.6
0.5
VIN = 3V @ ISW = 0.65A
0.4
0.3
0.2
0.1
0
–40
0
25
70
85
TEMPERATURE – ؇C
Figure 10. Saturation Voltage vs. Temperature in Step-Up
Mode
250
200
BIAS CURRENT
150
100
50
0
–40
0
25
70
85
TEMPERATURE – ؇C
Figure 13. Feedback Bias Current vs. Temperature
RREEV. A0
–5–