LD7530/LD7530A

3

Leadtrend Technology Corporation

LD7530&LD7530A-DS-04 December 2007

Ordering Information

Part number

Package

TOP MARK

Shipping

LD7530 PL

SOT-26

PB Free

YWP/30

3000 /tape & reel

LD7530 GL

SOT-26

Green Package

YWP/30

3000 /tape & reel

LD7530 PN

DIP-8

PB Free

LD7530PN

3600 /tube /Carton

LD7530A PL

SOT-26

PB Free

YWP/30A

3000 /tape & reel

LD7530A GL

SOT-26

Green Package

YWP/30A

3000 /tape & reel

LD7530A PN

DIP-8

PB Free

LD7530APN

3600 /tube /Carton

Note: The LD7530 and LD7530A are ROHS compliant/ Green Package.

Pin Descriptions

PIN

(SOT-26)

PIN

(DIP-8)

NAME

FUNCTION

1

8

GND

Ground

2

7

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

5

CT

This pin is to program the frequency of the low frequency timer. By

connecting a capacitor to ground to set the OLP delay time.

4

4

CS

Current sense pin, connect to sense the MOSFET current

5

2

VCC

Supply voltage pin

6

1

OUT

Gate drive output to drive the external MOSFET