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具有寬輸入范圍的微型單片降壓型穩(wěn)壓器

  • 資源大?。?/b>126 K
  • 上傳時(shí)間: 2014-12-24
  • 上傳用戶:faye3000
  • 資源積分:2 下載積分
  • 標(biāo)      簽: 輸入 降壓型穩(wěn)壓器

資 源 簡(jiǎn) 介

 

Automotive batteries, industrial power supplies, distributedsupplies and wall transformers are all sources ofwide-ranging high voltage inputs. The easiest way to stepdown these sources is with a high voltage monolithicstep-down regulator that can directly accept a wide inputrange and produce a well-regulated output. The LT®3493accepts inputs from 3.6V to 36V and LT3481 acceptsinputs from 3.6V to 34V. Both provide excellent lineand load regulation and dynamic response. The LT3481offers a high effi ciency solution over a wide load range andkeeps the output ripple low during Burst Mode® operationwhile the LT3493 provides a tiny solution with minimalexternal components. The LT3493 operates at 750kHzand the LT3481 has adjustable frequency from 300kHzto 2.8MHz. High frequency operation enables the use ofsmall, low cost inductors and ceramic capacitors.

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