2006/03/28

Ver.3

Page 2

SP6003A

Synchronous Rectifier Driver

TYPICAL APPLCATION CIRCUIT

PIN DESCRIPTION

Pin

Symbol

Description

1

Timing

Discontinuous current filter timing adjustment resistor connection.

2

Pred

Capacitor to store previous cycle timing for Catch MOSFET

3

Rapid-Adj Capacitor connection to adjust fast pulse width reduction response.

4

Cramp

Ramp capacitor adjustment to extend MOSFET’s gate timing.

5

GND

Ground connection.

6

MOSG-C

Catch MOSFET gate drive.

7

Vdd

DC supply voltage.

8

SYNC

Synchronized signal from transformer’s output.