Design Example Report
Title
30W Multiple Output Power Supply using
TOP245R
Input: 90–264 V
AC
Specification
Output: 1.8V/0.9A, 3.3V/1.3A, 5V/1.8A,
12V/50mA, 18V/0.6A, 23V/0.6A
Application
Author
Document
Number
Date
Revision
Set Top Box
Power Integrations Applications Department
DER-50
April 20, 2005
1.0
Summary and Features
•
•
•
•
Tight cross-regulation of
±5%
on 3.3V and 5V.
Small low cost EMI filter
Highly integrated low cost solution
Line feed-forward and over voltage protection
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 at
www.powerint.com.
Power Integrations
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
POWERINT [ POWER INTEGRATIONS, INC. ]
