Datasheet Linear Technology LTC3780MPG#TRPBF — Даташит

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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  Industry's First 4-Switch Buck-Boost Controller Achieves Highest Efficiency Using a Single Inductor &mdash DN369
  PDF, 96 Кб, Файл опубликован: 14 июн 2005
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  advertisement Industry’s First 4-Switch Buck-Boost Controller Achieves Highest
  Efficiency Using a Single Inducutor – Design Note 369
  Wilson Zhou and Theo Phillips
  Introduction
  One of the most common DC/DC converter problems
  is generating a regulated voltage that falls somewhere
  in the middle of a wide range of input voltages. When
  the input voltage can be above, below or equal to the
  output voltage, the converter must perform step-down
  and step-up functions. Unlike solutions requiring bulky
  transformers, the LTC В®3780 meets these requirements
  in the most compact and efficient manner, using just
  one off-the-shelf inductor and a single current sense
  resistor. High Efficiency 4-Switch Buck-Boost Converter
  Figure 1 shows a simplified LTC3780 4-switch buckboost converter. When VIN exceeds VOUT, the LTC3780
  operates in buck mode. With switch D on and switch C
  off, switches A and B turn on and turn off alternately,
  as they would in a typical synchronous buck regulator.
  Conversely, when VIN is lower than VOUT, the LTC3780
  operates in boost mode. With switch A on and synchronous switch B off, switch C and synchronous switch D
  turn on and turn off alternately, behaving as a typical
  synchronous boost regulator. The LTC3780 uses a constant frequency current mode
  architecture which allows seamless transitions between …

Статьи

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  Breakthrough Buck-Boost Controller Provides up to 10A from a Wide 4V-36V Input Range &mdash LT Journal
  PDF, 1.1 Мб, Файл опубликован: 1 сен 2005
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  LINEAR TECHNOLOGY SEPTEMBER 2005 IN THIS ISSUE…
  COVER ARTICLE
  Breakthrough Buck-Boost Controller
  Provides up to 10A from a Wide
  4V–36V Input Range .1
  Theo Phillips and Wilson Zhou Issue Highlights .2
  Linear Technology in the News….2
  DESIGN FEATURES
  Dual, 1.4A and 800mA, Buck Regulator
  for Space-Sensitive Applications .7
  Scott Fritz ВµPower Precision Dual Op Amp
  Combines the Advantages of
  Bipolar and CMOS Amplifiers .9
  Cheng-Wei Pei and Hengsheng Liu High Voltage Micropower Regulators
  Thrive in Harsh Environments .11
  Todd Owen Complete 2-Cell-AA/USB Power
  Manager in a 4mm Г— 4mm QFN .13
  G. Thandi Micropower Precision Oscillator
  Draws Only 60ВµA at 1MHz .17
  Albert Huntington New Standalone Linear
  Li-Ion Battery Chargers .20
  Alfonso Centuori Monolithic Buck Regulator Operates
  Down to 1.6V Input; Simpliп¬Ѓes Design …

Модельный ряд

Классификация производителя

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

Варианты написания:

LTC3780MPGTRPBF, LTC3780MPG TRPBF