Power Integrations

5245 Hellyer Avenue, San Jose, CA 95138 USA.

Tel: +1 408 414 9200 Fax: +1 408 414 9201

www.powerint.com

Design Example Report

Title

3.9W CV/CC Charger using TNY266P with

< 100 mW standby

Specification

Input: 85 – 265 VAC

Output: 6.5V / 0.6A

Application

Cell Phone Charger

Author

Power Integrations Applications Department

Document

Number

DER-33

Date

April 1, 2004

Revision

1.0

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