ADP1111 Analog Devices, ADP1111 Datasheet - Page 5

• Manufacturer Part Number: ADP1111
• Description: Micropower, Step-Up/Step-Down SW Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V
• Manufacturer: Analog Devices

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