HT2802S

2/8

High performance primary sensing regulator (PSR)

www.hotchip.com.cn

Ver1.0

1

2

3

5

4

HV

VCC

CS

FB

GND

CPC

HV

6

7

PIN Function Description

Pin

#

Name

Function Description

1

VCC

Power Supply Pin of IC. An external filter capacitor of Low ESR electrolytic capacitor is

suggested to gain stable supply voltage .

2

FB

Output Feedback Pin to detect output condition through the auxiliary winding voltage of

the transformer

3

CPC

Connected with a 100+nf capacitor, CPC Pin becomes output cable drop- out

compensation Pin.

4

CS

current via external sensing resistor. When voltage on the resistor surpasses

maximum value, internal Power BJT will be turned off immediately

5-6

HV

The Collector of internal Power Transistor

7

GND

Ground Pin

PIN DEFINITION