DER-100 Datasheet, PDF (1/22 Pages) Power Integrations, Inc. – 24 W Primary-side Regulated Flyback Power Supply using TOP245Y

Design Example Report
Title
24 W Primary–side Regulated Flyback
Power Supply using TOP245Y
Specification
Input: 90 – 265 VAC
Output: 8V / 3A
Application LED Lighting
Author
Power Integrations Applications Department
Document
Number
DER-100
Date
December 7, 2005
Revision
2.0
Summary
This report details the design of a primary-side regulated isolated Flyback converter.
• Provides 8 V @ 3 A
• Typical Efficiency 80 %.
• Primary-side regulation
• Low parts count
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, Inc.
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: [phone] Fax: [phone]
www.powerint.com