AP3009 데이터 시트보기 (PDF) - BCD Semiconductor
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AP3009 Datasheet PDF : 13 Pages
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WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics (Continued)
(VF of WLED is 3.45V @ IF=20mA, unless otherwise noted )
Data Sheet
AP3009
700
-50oC
600
25oC
100oC
500
400
300
200
100
30
40
50
60
70
80
90
100
Duty Cycle (%)
400
350
300
250
200
150
100
50
50
100
150
200
250
300
Switch Current (mA)
Figure 16. Switch Current Limit vs. Duty Cycle
Figure 17. Switch Saturation Voltage
vs. Switch Current
250
200
150
100
50
0
0.0
0.5
1.0
1.5
2.0
CTRL Pin Voltage (V)
Figure 18. Feedback Voltage vs. CTRL Pin Voltage
Apr. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
9
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