DER-106 Datasheet, PDF (1/29 Pages) Power Integrations, Inc. – 15W Flyback Power Supply using TOP244P

Design Example Report
Title
15W Flyback Power Supply using
TOP244P
Specification
Input: 90 – 265 VAC 50/60Hz
Output: +24 VDC @ 625mA
Application Refrigerator
Author
Power Integrations Applications Department
Document
Number
DER-106
Date
May 19, 2006
Revision
1.1
Summary and Features
• Low part count, Low-cost Isolated Flyback Power Supply
• E-SHIELD® Transformer Construction for reduced common-mode EMI (small 220pF
Y1 capacitor and small 10mH Common-mode choke)
• 132kHz Switching Frequency with jitter to reduce conducted EMI
• Auto-restart function for automatic and self-resetting open-loop, overload and short-
circuit protection
• Built-in Hysteretic thermal shutdown at 135C
• Enhanced 8-pin DIP package with increased creepage from Drain to low-voltage
control pins
• EcoSmart® for extremely low standby power consumption <800 mW at 230 VAC
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
Atlanta Sales Office
4335 South Lee Street - G, Buford, GA 305188 USA.
Tel: [phone] Fax: [phone]
www.powerint.com