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TOP245P_1

更新时间： 2024-09-21 04:27:47

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
25页	612K
描述
Title 32W (47W peak) Multiple Output supply

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Design Example Report

32W (47W peak) Multiple Output supply

using TOP245P

Title

Input: 195 - 265 VAC

Specification Output: 3.3V/3A, 5V/2A (2.5A Peak),

12V/0.5A (1.5A Peak), 20V/0.3A

Application

Author

Set Top Box

Power Integrations Applications Department

Document

Number

DER-19

Date

March 30, 2004

1.0

Revision

Summary and Features

This report describes a design for a multiple output power supply, such as required for

a Set Top Box, featuring the following:

• Very high full power efficiency (> 83% at full power)

• 32W Continuous power rating

• <0.5W no-load consumption

• Efficiency >75% at 10% output power

• Small DIL08 package for TOP245P requiring no external heatsink

• 50W peak power capability allows for high peak output power demands (e.g.

for hard disk spin-up)

• Low EMI (Meets EN55022 with output ground connected to Earth)

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, Inc.

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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