DP3773D

Quasi-Resonant PSR CC/CV PWM Power Switch

www.depuw.com

Rev.1.0

Pin Configuration

Marking Information

DPXXXX for product name;

DXXXXXX The C represents the version; The first X reresents the last year,2014 is 4; The second X

represents the month, in A-L 12 letters;The third and fourth X on behalf of the date, 01-31 said; The

last two X represents the wafer batch code.

Pin Description (DP3773D)

Pin

Number

Pin

Name

I/O

Description

1

FB

I

System feedback pin which regulates both the output voltage in CV

mode and output current in CC mode based on the flyback voltage of

the auxiliary winding.

2

CS

I

Current Sense Input Pin.

3

VDD

P

Power Supply Pin of the Chip.

4

E

O

The Power BJT Emitter

5,6

HV

O

The Power BJT Collector

7

GND

P

The Ground of the IC