AP3009 查看數據表（PDF） - BCD Semiconductor

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AP3009

WHITE LED STEP-UP CONVERTER

BCD Semiconductor 

WHITE LED STEP-UP CONVERTER

Pin Configuration

K Package

(SOT-23-6)

VOUT

GND

FB

16

25

34

SW

VIN

CTRL

Figure 2. Pin Configuration of AP3009 (Top View)

Data Sheet

AP3009

Pin Description

Pin Number

1

2

3

4

5

6

Pin Name

VOUT

GND

FB

CTRL

VIN

SW

Function

Output Pin. Connected to the cathode of internal schottky diode

Ground Pin

Voltage Feedback. Reference voltage is 200mV

Shutdown and Dimming Pin. Connect to 1.8V or higher to enable device; Connect to 50mV or

less to disable device; Connect to a voltage between 1.8V and 50mV to achieve linear dim-

ming

Input Supply Pin. Must be locally bypassed

Switch Pin. Connect external inductor

Apr. 2007 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

2

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