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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  Low EMI Synchronous DC/DC Step-Down Controllers Offer Programmable Output Tracking &mdash DN382
  PDF, 122 Кб, Файл опубликован: 9 дек 2005
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  advertisement Low EMI Synchronous DC/DC Step-Down Controllers Offer
  Programmable Output Tracking – Design Note 382
  Charlie Zhao
  Introduction
  The LTCВ® 3808 synchronous DC/DC step-down controller
  packs numerous features required by the latest electronic
  devices into a low profile (0.75mm) 3mm × 4mm leadless
  DFN package or a leaded SSOP-16 package. Two similar
  parts, the LTC3809 and LTC3809-1, are even smaller, but
  less feature-rich versions of the LTC3808. The LTC3809
  family is available in a 3mm Г— 3mm leadless DFN package
  or a 10-pin MSOP Exposed Pad package. All three parts
  can provide output voltages as low as 0.6V and output
  currents as high as 7A from a 2.75V to 9.8V input range,
  making them ideal devices for one or two lithium-ion cell
  inputs as well as distributed DC power systems.
  The LTC3808 and LTC3809 also include important
  features for noise-sensitive applications, including a
  phase-locked loop (PLL) for frequency synchronization
  and spread spectrum frequency modulation to minimize
  generated electromagnetic interference (EMI). The
  adjustable operating frequency (300kHz to 750kHz) allows
  the use of small surface mount inductors and ceramic …

Статьи

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  Low EMI, Output Tracking, High Efficiency, and Too Many Other Features to List in a 3mm x 4mm Synchronous Buck Controller &mdash LT Journal
  PDF, 356 Кб, Файл опубликован: 10 июн 2005
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  DESIGN FEATURES Low EMI, Output Tracking, High
  Efficiency, and Too Many Other
  Features to List in a 3mm x 4mm
  Synchronous Buck Controller by Lin Sheng
  Introduction How It Works The LTC3808 synchronous DC/
  DC controller packs many features
  required by the latest electronic devices into a low profile (0.8mm tall),
  3mm Г— 4mm leadless DFN package,
  or a leaded SSOP-16 package. The
  LTC3808 can provide output voltages
  as low as 0.6V and output currents as
  high as 7A from a wide, 2.75V to 9.8V,
  input range, making it an ideal device
  for battery powered and distributed
  DC power systems. It also includes
  important features for noise-sensitive
  applications, including a phase-locked
  loop (PLL) for frequency synchronization and spread spectrum frequency
  modulation to minimize electromagnetic interference (EMI).
  The LTC3808 improves battery
  life and saves space by delivering
  high efficiency with a low operating
  quiescent current. The LTC3808 also …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers

Варианты написания:

LTC3808EDEPBF, LTC3808EDE PBF