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DER-96

器件名称: DER-96
功能描述: 10 W Power Supply using DPA423P
文件大小: 1431.01KB    共33页
生产厂商: POWERINT
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简  介:Design Example Report Title Specification Application Author Document Number Date Revision 10 W Power Supply using DPA423P Input: 37-57 VDC Output: 3.3V/2.0A, 5V/200mA, 12V/200mA VoIP phone Power Integrations Applications Department DER-96 September 12, 2005 1.0 Summary and Features This document is an engineering prototype report describing a VoIP power supply utilizing DPA423P. Eliminates LM78xx linear-regulators on 5 V Low-cost 12 V linear-reg. with short circuit protection provided by main supply High Efficiency (> 70% at 48 VDC) Low EMI signature (both radiated and conducted emissions) Low Parts Count Built-in input short circuit protection on all outputs Carefully designed for low EMI 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-96 10 W VoIP September 12, 2005 Table Of Contents Introduction................................................................................................................. 4 Power Supply Specification ........................................................................................ 5 Schemat……
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DER-96 10 W Power Supply using DPA423P POWERINT
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