AP3029(2009) 查看數據表（PDF） - BCD Semiconductor

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AP3029
(Rev.:2009)

WHITE LED STEP-UP CONVERTER

BCD Semiconductor 

WHITE LED STEP-UP CONVERTER

Typical Application (Continued)

V

IN

≥

3V

22µΗ

Control

Signal

VIN SW

VOUT

AP3029

CTRL

FB

GND

1µF

10Ω

C: X5R or X7R Dielectric

L: SUMIDA CDRH5D28R-220NC or Equivalent

This circuit can work in full temperature

B. Six White LEDs Driver

V

IN

≥

3V

22µΗ

Data Sheet

AP3029

0.22µF

Control

Signal

VIN

SW

VOUT

AP3029

CTRL

GND

1µF

FB

10Ω

10Ω

0.22µF

C: X5R or X7R Dielectric

L: SUMIDA CDRH5D28R-220NC or Equivalent

Two transistors are recommended to use Dual Matched transistor pairs

This circuit can work in full temperature

C. Ten White LEDs Driver

Figure 26. Typical Application of LED Drivers

Oct. 2009 Rev. 1. 8

BCD Semiconductor Manufacturing Limited

13

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