Datasheet Linear Technology LT3663HMS8E#TRPBF — Даташит

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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Статьи

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  Supercapacitor Charger with Adjustable Output Voltage and Adjustable Charging Current Limit &mdash LT Journal
  PDF, 496 Кб, Файл опубликован: 1 июн 2009
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  L DESIGN IDEAS Supercapacitor Charger with
  Adjustable Output Voltage and
  Adjustable Charging Current Limit
  by Jim Drew Introduction
  For applications using larger value
  supercapacitors (tens to hundreds of
  farads), a charger circuit with a relatively high charging current is needed
  to minimize the recharge time of the
  system. Supercapacitors are used as
  energy hold up devices in applications
  such as solid state RAID disks, where
  information stored in high speed volatile memory must be transferred to
  non-volatile flash memory when power
  is lost. This transfer time may take
  minutes, requiring hundreds of farads
  to hold up the power supply until the
  transfer is complete. The requirement
  for the recharge time of these banks
  of supercapacitors is typically less
  than one hour. To accomplish this,
  a high charging current is required.
  This article describes a supercapacitor
  charging circuit using the LT3663 that …

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  1.2A Monolithic Buck Regulator Shrinks Supply Size and Cost with Programmable Output Current Limit &mdash LT Journal
  PDF, 240 Кб, Файл опубликован: 1 мар 2009
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  L DESIGN FEATURES 1.2A Monolithic Buck Regulator
  Shrinks Supply Size and Cost with
  Programmable Output Current Limit
  by Tom Sheehan Introduction
  Power supplies are often overqualified
  for their job. This is because power
  ICs often specify a current limit that
  is more than twice the rated output
  current of the device. The power supply
  components are sized to handle the
  maximum current that the IC can deliver, even if loads are unlikely to draw
  that current during normal operation.
  The components are bigger and more
  expensive than they need to be.
  There is, however, an alternative:
  set an accurate maximum output current on the supply once the real world
  load is known. Accurately setting the
  maximum output current reduces the
  required current rating of the regulator’s power path components, thus
  replacing big, expensive components
  with smaller, less expensive ones.
  A limit on the regulator’s maximum output limits the maximum power
  dissipation of both the supply and …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Варианты написания:

LT3663HMS8ETRPBF, LT3663HMS8E TRPBF