Power Integrations

5245 Hellyer Avenue, San Jose, CA 95138 USA.

Applications Hotline: Tel: +1 408 414 9660 Fax: +1 408 414 9760

www.powerint.com

Design Example Report

Title

13W Multiple Output Supply using TOP242P

Specification

Output: 2.5V/0.8A, 3.3V/0.7A, 5V/1.45A,

9V/50mA, 32V/5mA

Application

Integrated Digital TV Decoder

Author

Power Integrations Applications Department

Document

Number

DER-34

Date

April 1, 2004

Revision

1.0

Summary and Features

•

No heatsinks on the complete power supply

•

Low Parts Count – Total estimated total BOM cost <$3.00

•

Very low output ripple and noise – Eliminates PSU interference in TV

The products and applications illustrated herein (including circuits external to the products and transformer

construction) may be covered by one or more U.S. and foreign patents or potentially by pending U.S. and foreign

patent applications assigned to Power Integrations. A complete list of Power Integrations’ patents may be found