AP3009 查看數據表（PDF） - BCD Semiconductor
零件编号
产品描述 (功能)
比赛名单
AP3009 Datasheet PDF : 13 Pages
| |||
WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics
(VF of WLED is 3.45V @ IF=20mA, unless otherwise noted )
Data Sheet
AP3009
85
84
83
82
81
80
-50
V =3.6V, I =20mA, 4 LEDs
IN
OUT
C =1µF, C =0.22µF, L=22µH
IN
OUT
-25
0
25
50
75
100
Junction Temperature (oC)
85
84
83
82
81
80
2.5
4 LEDs, I =20mA, T =25oC
OUT
A
C =1µF, C =0.22µF, L=22µH
IN
OUT
3.0
3.5
4.0
4.5
5.0
Input Voltage (V)
Figure 4. Efficiency vs. Junction Temperature
Figure 5. Efficiency vs. Input Voltage
86
350
300
84
250
82
200
80
150
100
V =3.6V, I =20mA, T =25oC
78
IN
OUT
A
C =1µF, C =0.22µF, L=22µH
IN
OUT
50
76
0
2
3
4
5
6
0
200
400
600
800
1000
LEDs (pcs)
Schottky Forward Drop (mV)
Figure 6. Efficiency vs. LED's Number
Figure 7. Schottky Forward Current
vs. Schorttky Forward Drop
Apr. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
6
Share Link: 