Design Example Report
Title
3.5W CV/CC Adapter using TNY264P
Input: 90 – 265 VAC
Output: 5.5V /0.65A
Specification
Application
Author
Cell Phone Charger
Power Integrations Applications Department
DER-35
Document
Number
Date
April 5, 2004
1.0
Revision
Summary and Features
This document is an engineering report describing a cell phone charger power
supply utilizing a TNY264P, with the following features:
• Low cost
• No Y-cap
• Meets EMI
• Very Low Leakage Current
• Does not require a TL431
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