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DER-96 PDF预览

DER-96

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
33页 1431K
描述
10 W Power Supply using DPA423P

DER-96 数据手册

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Design Example Report  
Title  
10 W Power Supply using DPA423P  
Input: 37-57 VDC  
Output: 3.3V/2.0A, 5V/200mA, 12V/200mA  
Specification  
Application  
Author  
VoIP phone  
Power Integrations Applications Department  
DER-96  
Document  
Number  
Date  
September 12, 2005  
1.0  
Revision  
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  

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