LD7535/LD7535A

3

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD7535&LD7535A-DS-01c December 2007

Pin Descriptions

PIN

NAME

FUNCTION

1

GND

Ground

2

COMP

Voltage feedback pin (same as the COMP pin in UC384X), By connecting

a photo-coupler to close the control loop and achieve the regulation.

3

RT

This pin is to program the switching frequency. By connecting a resistor

to ground to set the switching frequency.

4

CS

Current sense pin, connect to sense the MOSFET current

5

VCC

Supply voltage pin

6

OUT

Gate drive output to drive the external MOSFET