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  Synchronous Buck Converter Requires Only 1.5V Input &mdash LT Journal
  PDF, 163 Kb, Datei veröffentlicht: Mar 1, 2003
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  DESIGN IDEAS Synchronous Buck Converter Requires
  by Joey M. Esteves
  Only 1.5V Input
  The LTC3713 is a low input voltage,
  synchronous buck converter capable
  of operating from a supply voltage as
  low as 1.5V. The LTC3713 combines
  a step-down controller with a boost
  converter all in one package. Both
  sections operate independently of one
  another, but can be used together to
  form an efficient, monolithic, low input voltage, buck switching regulator.
  The regulator also has the ability to
  source and sink current, making it
  suitable for bus termination applications.
  Figure 1 and Figure 2 show two
  circuits where the boost converter
  generates a 5V output that powers
  the top and bottom MOSFET drivers,
  along with most of the internal circuitry, of the buck controller. This
  topology precludes the need for low
  threshold power MOSFETs, because the buck controller section always
  operates from the boosted 5V output …

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

Andere Namen:

LTC3713EGTRPBF, LTC3713EG TRPBF