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  3A Monolithic Buck Regulator in 4mm x 4mm QFN &mdash LT Journal
  PDF, 535 Kb, Archivo publicado: marzo 28, 2006
  Extracto del documento

  L DESIGN FEATURES Introduction
  The LTC3412A is much more than a
  drop-in replacement for the popular
  LTC3412 monolithic buck switching
  regulator. Though still offered in a
  thermally enhanced 16-lead TSSOP,
  the LTC3412A is also squeezed into
  a smaller footprint 4mm Г— 4mm
  QFN, reducing the package height to
  0.75mm from 1.1mm. At the same
  time, the maximum load current has
  risen to 3A from the LTC3412’s 2.5A,
  and the minimum input voltage has
  been pared down to 2.25V from the
  earlier 2.625V. The LTC3412A can
  still deliver efficiency as high as 95%,
  accept input voltages up to 5.5V, and
  switch at frequencies up to 4MHz,
  making it a compact and efficient
  solution for portable electronics that
  require low supply voltages (down to
  0.8V) converted from typical battery
  voltages. …

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Clasificación del fabricante

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