Design Example Report
Title
Specification
Application
Author
Document
Number
Date
Revision
2.4 W Power Supply using LNK520P
Input: 85 – 265 VAC
Output: 5.0 V / 480 mA
Cell Phone Charger
Power Integrations Applications Department
DER-75
September 12, 2005
1.0
Summary and Features
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•
•
•
•
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Low Cost, Low Component Count Design
High Efficiency (> 70 %) at Full Load
Accurate Output Voltage Regulation (using Opto-Coupler Feedback)
Low Standby Consumption (< 250 mW)
Meets EMI Without Y-capacitor
Small Low Cost EE13 Transformer
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, INC. ]
