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LTC3723 LTC3723-2

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  Efficient and Reliable Drive for Synchronous MOSFET Rectifiers &mdash LT Journal
  PDF, 409 Kb, Archivo publicado: marzo 25, 2005
  Extracto del documento

  DESIGN IDEAS Efficient and Reliable Drive for
  Synchronous MOSFET Rectifiers
  by Goran Perica Introduction
  Many telecom and industrial applications require low voltage, high
  efficiency isolated power converters.
  Typical output voltages in these applications are between 1.8V and 12V,
  thus making a synchronous forward
  converter a good choice.
  Synchronous forward converters
  require a pair of MOSFETs that rectify
  the output from the power transformer.
  The synchronous MOSFET rectifiers
  can be self-driven, transformer driven,
  or driven by an integrated MOSFET
  driver. The most efficient solution
  is to use a MOSFET driver, like the
  LTC3900, that is synchronized to the
  primary PWM controller. The LTC3900
  has other advantages, such as protection features not found in other drive
  methods. Synchronous
  Telecom Bus Converter Figure 1 shows an example of a
  synchronous forward converter that
  generates an isolated, semi-regulated …

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• Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers