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

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产品描述 (功能)

生产厂家

AP3029
(Rev.:2009)

WHITE LED STEP-UP CONVERTER

BCD Semiconductor 

WHITE LED STEP-UP CONVERTER

Application Information (Continued)

Logic

Signal

AP3029

FB

R2

2N7002

Effective

Feedback Voltage

R1

Figure 25. Dimming Control

Using Logic Signal

Data Sheet

AP3029

Typical Application

V

IN

≥

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

Oct. 2009 Rev. 1. 8

BCD Semiconductor Manufacturing Limited

12

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