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  Choose a Regulator with an Accurate Input Current Limit to Safely Extract Maximum Power from USB &mdash LT Journal
  PDF, 765 Кб, Файл опубликован: 30 июн 2010
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  Choose a Regulator with an Accurate Input Current Limit to
  Safely Extract Maximum Power from USB
  Albert Lee Most of us would not use
  a paintbrush to sign our
  names on our checks. It’s
  simply the wrong tool for the
  job—wasting paint where a
  thin line of ink offers better
  results. Likewise, using
  a power supply IC with a
  broad-brush В±40% output
  current limit is wasteful,
  requiring a designer to leave
  80% of the input current
  on the table, or worse,
  ignore the tolerance and risk
  collapse of the input supply.
  To design an input-currentlimited supply that maximizes
  input power usage requires
  a detailed approach, ideally
  incorporating a regulator
  with tight tolerances.
  The LTC3619 and LTC3619B are 400mA and …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
• Power Management > Supercapacitor Chargers

Варианты написания:

LTC3619BEMSETRPBF, LTC3619BEMSE TRPBF