Datasheet Linear Technology LTC3442 — Даташит

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Купить LTC3442 на РадиоЛоцман.Цены — от 145 до 1 248 ₽ 44 предложений от 22 поставщиков , Conv DC-DC 2.4V to 5.5V Synchronous Non-Inverting/Inverting/Step Up/Step Down Single-Out 2.4V to 5.25V 1.2A Micropower 12Pin DFN EP
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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Статьи

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  Versatile Buck-Boost Converter Offers High Efficiency in a Wide Variety of Applications &mdash LT Journal
  PDF, 1.3 Мб, Файл опубликован: 10 июн 2005
  Выписка из документа

  DESIGN FEATURES Versatile Buck-Boost Converter
  Offers High Efficiency in a Wide
  by Dave Salerno
  Variety of Applications
  Introduction L1 5ВµH Miniature hard disk drives are a popular storage medium for MP3 music п¬Ѓles,
  digital photographs and other data
  stowed in the latest portable electronics. Likewise lithium-ion batteries are
  popular for these same devices, which
  presents a minor problem in that mini
  disk drives typically require a 3.3V
  supply, which is right in the middle
  of the lithium-ion battery’s operating
  range (3.0V-to-4.2V). This requires a
  converter that can both step down a
  fully-charged Li-Ion battery and step
  up the same battery as it discharges
  to sub-3.3V levels.
  The LTC3442 is a 1.2A buck-boost
  converter that is ideal for mini disk
  drive applications, and certainly for
  other buck-boost appliations as well.
  The LTC3442 extends battery life with
  95% efп¬Ѓciency and п¬Ѓts into tight spaces …

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Классификация производителя

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