AP3019A 查看數據表（PDF） - BCD Semiconductor
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AP3019A Datasheet PDF : 15 Pages
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WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics (Continued)
WLED forward voltage (VF) is 3.45V at IF=20mA, unless otherwise noted.
Data Sheet
AP3019A
30
25
20
15
10
5
T =25OC
A
0
2
4
6
8
10
12
14
16
Input Voltage (V)
Figure 8. Shutdown Quiescent Current vs. Input Voltage
3.5
3.0
2.5
2.0
1.5
T =-50OC
1.0
A
T =25OC
A
0.5
T =100OC
A
0.0
0
2
4
6
8
10
12
14
16
Input Voltage (V)
Figure 9. Quiescent Current vs. Input Voltage
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Input Voltage (V)
Figure 10. Input Current in Output Open Circuit
vs. Input Voltage
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Figure 11. Frequency vs. Junction Temperature
Mar. 2010 Rev. 1.7
BCD Semiconductor Manufacturing Limited
7
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