DER-107 Datasheet, PDF (1/26 Pages) Power Integrations, Inc. – 10W Compact Power Supply using TOP245R

Design Example Report
Title
10W Compact Power Supply using
TOP245R
Specification
Input: 90 – 300 VAC
Output: 6V / 1.67A
Application Water Purifier
Author
Power Integrations Applications Department
Document
Number
DER-107
Date
October 26, 2005
Revision
1.0
Summary and Features
• 66kHz operation to reduce switching losses in TOPSwitch-GX, reduce standby
power consumption and reduce burden on input EMI Filter
• Low profile EFD20 ESHEILD transformer construction
• Simple input π-filter
• No Y-cap No X-cap
• 450 VDC input capacitors for increased reliability for continuous 300 V_RMS
operation
• No heat sink design - D²PAK TOPSwitch-GX and D-PAK output rectifier
• 10 W (continuous) / 18 W (peak) in 1.6 X 2.5 X 1”
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: [phone] Fax: [phone]
www.powerint.com