AP3703 查看數據表（PDF） - BCD Semiconductor

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AP3703

LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER

BCD Semiconductor 

Preliminary Datasheet

LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER

Pin Configuration

AP3703

K Package

(SOT-23-5)

OUT 1

GND 2

VCC 3

5 FB

4 CS

Figure 2. Pin Configuration of AP3703 (Top View)

Pin Description

Pin Number

1

2

3

4

5

Pin Name

OUT

GND

VCC

CS

FB

Function

This pin drives the base of external power NPN switch

Ground

Supply voltage

The primary current sense

The voltage feedback from the auxiliary winding

Feb. 2009 Rev. 1.0

BCD Semiconductor Manufacturing Limited

2

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