DER-98 Datasheet, PDF (1/30 Pages) Power Integrations, Inc. – 41W (53Wpk) Power Supply using TOP246Y

Design Example Report
Title
41W (53Wpk) Power Supply using
TOP246Y
Input: 85 – 265 VAC
Specification Output: 30V/80mA, 23V/0.5A, 12V/2A,
5V/2A, 3.3V/1.5A
Application Digital Video Recorder
Author
Power Integrations Applications Department
Document
Number
DER-98
Date
September 12, 2005
Revision
1.0
Summary and Features
• No linear regulators used
• One transformer solution
• Good cross regulation
• No heat sinks used in secondary
• Low cost OVP using TO-92 SCR crowbar
• Low EMI with low-cost EMI filter
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: [phone] Fax: [phone]
www.powerint.com