Datasheet > EM8631

EM8631

更新时间： 2022-06-24 15:41:48

品牌	Logo	应用领域
杰力科技 - EXCELLIANCE		/
页数	文件大小	规格书
11页	286K
描述
Green mode PWM Flyback Controller

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数据手册

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EM8631 数据手册

EM8631

Pin Configuration

Pin Assignment

Pin Number

Pin Name

Pin Function

SOT236

DIP8

Ground.

GND

Voltage feedback pin. By connecting a photo-coupler to close the control loop and

achieve the regulation.

COMP

Set the switching frequency by connecting a resistor to GND.

Senses the primary current.

IC Power Supply Pin.

VDD

GATE

Gate drive output to drive the external MOSFET.

No Internal Connection.

3 & 6

Function Block Diagram

VDD

OVP

OTP

28V

Shutdown

Logic

OLP

15V / 9.8V

UVLO

Vbias

Green

mode

COMP

Oscillator

Max duty

GATE

Soft

Driver

LEB

Slope

Comp

PWM

comparator

Soft start

OCP

comparator

GꢀD

2013/01/30

Rev.A.6

123 4 5 6 7...11

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