DER-108 Datasheet, PDF (1/19 Pages) Power Integrations, Inc. – 7.2 W Dual Output Power Supply using TNY267G

Design Example Report
Title
7.2 W Dual Output Power Supply using
TNY267G
Specification
Input: 90 – 265 VAC
Output: 24V/150mA, 24V/150mA
Application Network Interface
Author
Power Integrations Applications Department
Document
Number
DER-108
Date
October 26, 2005
Revision
1.0
Summary
o Dual output design featuring primary-side regulation to eliminate opto-coupler
o ESHIELD^ Transformer construction allows for simple input pi-filter and no safety
X or Y capacitors
o 27 total components including EMI filter
o Short Circuit Protection
o Hysteretic Thermal Shutdown
o Frequency Jitter
o Excellent Conducted EMI (>8 dB margin across spectrum)
o EcoSmart Technology
o Extremely low standby power consumption (<700 mW with 250 mW pre-load)
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