器件名称: DER-98
功能描述: 41W (53Wpk) Power Supply using TOP246Y
文件大小: 1439.07KB 共30页
简 介:Design Example Report
Title 41W (53Wpk) Power Supply using TOP246Y
Input: 85 – 265 VAC Specification Output: 30V/80mA, 23V/0.5A, 12V/2A, 5V/2A, 3.3V/1.5A Application Author Document Number Date Revision Digital Video Recorder Power Integrations Applications Department DER-98 September 12, 2005 1.0
Summary and Features
No linear regulators used One transformer solution Good cross regulation No heat sinks used in secondary Low cost OVP using TO-92 SCR crowbar Low EMI with low-cost EMI filter
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
DER-98
41W (53W pk) DVR
September 12, 2005
Table Of Contents
1 2 3 4 5 Introduction ................................................................................................................... 4 Photograph.................................................................................................................... 4 Power Supply Specification........................................................................................... 5 Schematic ...................................................……