AP3019 查看數據表（PDF） - BCD Semiconductor
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AP3019 Datasheet PDF : 15 Pages
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WHITE LED STEP-UP CONVERTER
Typical Application
V
IN
≥
3V
10µΗ
Preliminary Datasheet
AP3019
Control
Signal
VIN SW
VOUT
AP3019
CTRL
FB
GND
1µF
10Ω
C: X5R or X7R Dielectric
L: SUMIDA CDRH5D28R-100NC or Equivalent
This circuit can work in full temperature
A. Four White LEDs Driver
VIN ≥ 3V
22µΗ
0.22µF
Control
Signal
VIN SW
VOUT
AP3019
CTRL
FB
GND
1µF
10Ω
C: X5R or X7R Dielectric
L: SUMIDA CDRH5D28R-220NC or Equivalent
This circuit can work in full temperature
B. Five White LEDs Driver
Figure 27. Typical White LED Drivers
0.22µF
Apr. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
13
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