ADP1109A
–5–REV. 0
TEMPERATURE – 8C
170
150
50
–40 0 85
25 70
130
110
90
70
OSCILLATOR FREQUENCY – kHz
Figure 6. Oscillator Frequency vs.
Temperature
TEMPERATURE – 8C
0.60
0.55
0.10
–40 0 8525 70
0.30
0.25
0.20
0.15
0.50
0.45
0.40
0.35
V
CE(SAT)
– V
V
CE(SAT)
@ V
IN
= 3V AND I
SW
= 0.65A
Figure 9. Switch Saturation Voltage
vs. Temperature
TEMPERATURE – 8C
12.20
12.15
–40 0 85
25 70
11.90
11.85
11.80
11.75
12.10
12.05
12.00
11.95
OUTPUT VOLTAGE – V
11.70
Figure 12. 12 V Output Voltage vs.
Temperature
TEMPERATURE – 8C
68
65
53
–40
085
25 70
62
59
56
DUTY CYCLE – %
Figure 7. Duty Cycle vs. Temperature
TEMPERATURE – 8C
6.0
5.5
2.0
–40 0 85
25 70
4.0
3.5
3.0
2.5
5.0
4.5
SWITCH-ON TIME – msec
Figure 10. Switch-On Time vs.
Temperature
INPUT VOLTAGE – Volts
600
500
200
24 20
6 8 10 14 16 1812
400
300
QUIESCENT CURRENT – mA
Figure 13. Quiescent Current vs.
Input Voltage
I
SWITCH
CURRENT – A
1.4
0.0
0.1 0.2 1.2
0.4 0.6 0.8 1
1.2
1.0
0.8
0.4
0.2
0.6
SATURATION VOLTAGE – V
V
IN
= 2V
V
IN
= 3V
V
IN
= 5V
Figure 8. Saturation Voltage vs.
I
SWITCH
Current in Step-Up Mode
TEMPERATURE – 8C
600
550
250
–40 0 85
25 70
450
400
350
300
500
QUIESCENT CURRENT – mA
Figure 11. Quiescent Current vs.
Temperature
