DER-105 Datasheet, PDF (1/24 Pages) Power Integrations, Inc. – 19.3 W Wide Range Flyback Power Supply using TOP243Y

Design Example Report
Title
19.3 W Wide Range Flyback Power
Supply using TOP243Y
Specification
Input: 207 – 400 VAC
Outputs: +14 V / 1.2 A; +5 V / 0.5 A
Application Oven Control
Author
Power Integrations Applications Department
Document
Number
DER-105
Date
October 26, 2005
Revision
1.0
Summary and Features
• StackFET^® Flyback Topology delivers full load over extremely wide input AC
voltage range
• Very good Cross Regulation without using Linear Regulators
• 132 kHz 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
• EcoSmart for extremely low standby power consumption <500 mW at 265 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
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: [phone] Fax: [phone]
www.powerint.com