DER-121 Datasheet, PDF (1/24 Pages) Power Integrations, Inc. – 13.1 W AC-DC Flyback Converter Using TNY268P

Design Example Report
Title
13.1 W AC-DC Flyback Converter Using
TNY268P
Specification
Input: 90 – 264 VAC
Output: 5.25 V / 2.5 A
Application Adapter
Author
Power Integrations Applications Department
Document
Number
DER-121
Date
November 3, 2005
Revision
1.0
Summary and Features
• Universal Input 90 VAC to 264 VAC
• Low Cost, Low Parts Count
• Minimum No Load Power Consumption <0.3 W at 264 VAC
• Meets CISPR22B EMI with Margin
• Efficiency >70% minimum.
• Meet CEC efficiency requirement with 5.25V2.5A.
• Meets +/-6KV-200A Lightning Surge.
• Cost reduced circuit does not require TVS
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