Design Example Report
3.9W CV/CC Charger using TNY266P with
< 100 mW standby
Title
Input: 85 – 265 VAC
Output: 6.5V / 0.6A
Specification
Application
Author
Cell Phone Charger
Power Integrations Applications Department
DER-33
Document
Number
Date
April 1, 2004
1.0
Revision
Summary and Features
This document is an engineering report describing a 6.5 VDC, 600 mA CV/CC
Charger utilizing a TNY266P featuring:
• No load power consumption ~69 mW @ 230V
• Achieves cable-drop compensation with no TL431
• Uses TNY266P
• Low cost , low parts count
• No Y-cap needed to meet CISPR-22 EMI even with artificial hand
• Very low AC leakage current
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