Design Example Report
Title
8.75 W Power Supply using TNY268P
Input: 90 – 265VAC
Output: 3.5V / 2.5A (4A peak)
Specification
Application
Author
Adapter
Power Integrations Applications Department
Document
Number
DER-60
Date
May 27, 2005
1.0
Revision
Summary and Features
• Low cost, low parts count.
• No Y1 Safety capacitor to pass EN55022B.
• No load input power < 300mw @ 265VAC.
• Meet CEC requirement with 3.3V2.5A/ 1.8M 18AWG output cable.
• Meet LPS < 17.5W with full range input.
• OTP, OVP latch function.
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
POWERINT [ Power Integrations ]
