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ADP1109A Datasheet(PDF) 5 Page - Analog Devices

Part No. ADP1109A
Description  Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1109A Datasheet(HTML) 5 Page - Analog Devices

   
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ADP1109A
–5–
REV. 0
TEMPERATURE – C
170
150
50
–40
0
85
25
70
130
110
90
70
Figure 6. Oscillator Frequency vs.
Temperature
TEMPERATURE – C
0.60
0.55
0.10
–40
0
85
25
70
0.30
0.25
0.20
0.15
0.50
0.45
0.40
0.35
VCE(SAT) @ VIN = 3V AND ISW = 0.65A
Figure 9. Switch Saturation Voltage
vs. Temperature
TEMPERATURE – C
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
11.70
Figure 12. 12 V Output Voltage vs.
Temperature
TEMPERATURE – C
68
65
53
–40
085
25
70
62
59
56
Figure 7. Duty Cycle vs. Temperature
TEMPERATURE – C
6.0
5.5
2.0
–40
0
85
25
70
4.0
3.5
3.0
2.5
5.0
4.5
Figure 10. Switch-On Time vs.
Temperature
INPUT VOLTAGE – Volts
600
500
200
24
20
6
8
10
14
16
18
12
400
300
Figure 13. Quiescent Current vs.
Input Voltage
ISWITCH 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
VIN = 2V
VIN = 3V
VIN = 5V
Figure 8. Saturation Voltage vs.
ISWITCH Current in Step-Up Mode
TEMPERATURE – C
600
550
250
–40
0
85
25
70
450
400
350
300
500
Figure 11. Quiescent Current vs.
Temperature


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