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降压升压型控制器简化手持式产品的DC/DC转换器设计

  • 资源大小:80 K
  • 上传时间: 2013-10-21
  • 上传用户:wendaoysh
  • 资源积分:2 下载积分
  • 标      签: DC 降压 升压型 控制器

资 源 简 介

 

A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas SEPIC or boost followed by buck, have numerousdisadvantages, including low effi ciency, complex magnetics,polarity inversion and/or circuit complexity/cost. TheLTC®3785 buck-boost controller yields a simple, effi cient,low parts-count, single-converter solution that is easyto implement, thus avoiding the drawbacks associatedwith traditional solutions.

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