2013/05/16

A.1

2

EM8564A

Typical Application Circuit 2

Pin Configuration

DIP-7

TOP VIEW

D

D

GND

COMP

BNO

CS

VCC

1

2

3

4

5

6

7

Pin Assignment

Pin Name

Pin Number

Pin Function

CS

1

Senses the primary current.

BNO

2

Line voltage detection. Use for brown-out protection.

GND

3

Ground.

COMP

4

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

and achieve the regulation.

VCC

5

IC Power Supply Pin.

D

6,7

For start-up, the pin is also HV Power MOSFET drain Pin.

AC

INPUT

EMI

Filter

EM8564A

D

VCC

COMP

GND

BNO

CS

D

Brown -out application

DC

OUTPUT