AP3029KTR-E1 查看數據表（PDF） - BCD Semiconductor
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AP3029KTR-E1 Datasheet PDF : 16 Pages
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WHITE LED STEP-UP CONVERTER
Application Information (Continued)
Logic
Signal
AP3029
FB
R2
2N7002
Effective
Feedback Voltage
R1
Figure 26. Dimming Control
Using Logic Signal
Preliminary Datasheet
AP3029
Typical Application
VIN ≥ 3V
10µΗ
Control
Signal
VIN SW
VOUT
AP3029
CTRL
FB
GND
1µF
10Ω
0.22µF
C: X5R or X7R Dielectric
L: SUMIDA CDRH5D28R-100NC or Equivalent
This circuit can work in full temperature
A. Four White LEDs Driver
Aug. 2008 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
12
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