器件名称: EPR-48
功能描述: Engineering Prototype Report for EP48 - 1.4 W Non-Isolated Buck Converter Using LNK304P
文件大小: 1206.82KB 共20页
简 介:Title
Engineering Prototype Report for EP48 – 1.4 W Non-Isolated Buck Converter Using LNK304P (LinkSwitch-TN)
Specification 85–265 VAC Input, 12 V, 120 mA, 1.44 W Output Applications Author Document Number Date Revision
Room Air Conditioners, White Goods, LED Lighting, and Other Applications Requiring a NonIsolated Supply Power Integrations Applications Department
EPR-48
02-May-2005 1.1
Summary and Features Low cost, low component count solution (only 16 components) No optocoupler required Much higher output current than “reactive dropper” type power supplies High efficiency (>69% over full input voltage range) Less than 1 W input power with 0.5 W load Low no-load consumption (<0.2 W at 265 VAC) Fully protected against open-loop faults, output overload, short circuit and thermal overload Low-cost input stage meets EMI and surge requirements
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
EP48 – 12 V, 1.44 W, Non-Isolated Buck Converter
02-May-2005
Table Of Contents
1 2 3 4 Introduction....................................................……
