Datasheet Linear Technology LTC3531ES6-3.3#TRMPBF — 数据表

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LTC3531 LTC3531-3

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  Tiny Buck-Boost Converter for Low Current Applications &mdash LT Journal
  PDF, 329 Kb, 档案已发布: Nov 21, 2006
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  L DESIGN IDEAS Tiny Buck-Boost Converter for
  Low Current Applications by Eddy Wells Introduction
  One common challenge for many battery powered portable applications is
  creating a regulated output voltage
  above or below the input source. Traditional buck-boost approaches, such
  as a dual inductor SEPIC converter or
  cascaded regulators, are unacceptable
  in most portable devices because of
  their large solution size and low efficiency. Smaller footprint, integrated
  charge-pump solutions can switch
  between buck and boost operation, but
  charge-pumps achieve good efficiency
  at only a few operating voltages, while
  efficiency dips below 50% at others.
  Another compact and simple approach
  forgoes a portion of the battery capacity and uses a buck (step-down) only
  solution, but the advantages are hard
  to justify when much of the battery
  capacity is not used, as with certain
  Li-Ion chemistries and a 3.3V output,
  or with two alkaline cells and a 3.0V
  or 2.5V output. two small ceramic capacitors, a miniature inductor, and the ThinSOT IC.
  All versions of the part are available …

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• Power Management > Switching Regulator > Buck-Boost Regulators > Internal Power Switch Buck-Boost

其他名称:

LTC3531ES6-3.3TRMPBF, LTC3531ES6-3.3 TRMPBF, LTC3531ES63.3#TRMPBF, LTC3531ES6 3.3#TRMPBF