3706M-G1 查看數據表（PDF） - BCD Semiconductor

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3706M-G1

PRIMARY SIDE CONTROL IC FOR OFF-LINE BATTERY CHARGERS

BCD Semiconductor 

Data Sheet

PRIMARY SIDE CONTROL IC FOR OFF-LINE BATTERY CHARGERS AP3706

Pin Configuration

M/P Package

(SOIC-8/DIP-8)

CS

VCC

OUT

GND

18

27

36

45

COMP

BIAS

VDD

FB

Figure 2. Pin Configurations of AP3706 (Top View)

Pin Description

Pin Number

1

2

3

4

5

6

7

8

Pin Name

CS

VCC

OUT

GND

FB

VDD

BIAS

COMP

Function

The primary current sense

Supply voltage

This pin drives the base of external power NPN switch

Ground

The voltage feedback from the auxiliary winding

The 5V output of the internal voltage regulator

This pin sets the bias current inside AP3706 with an external resistor to GND

This pin connects a bypass capacitor for CC function

Jul. 2008 Rev. 1.3

BCD Semiconductor Manufacturing Limited

2

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