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LT1317B

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  Micropower 600kHz Fixed-Frequency DC/DC Converters Step Up from a 1-Cell or 2-Cell Battery &mdash LT Journal
  PDF, 241 Kb, Archivo publicado: feb 1, 1998
  Extracto del documento

  DESIGN FEATURES Micropower 600kHz Fixed-Frequency
  DC/DC Converters Step Up from
  a 1-Cell or 2-Cell Battery
  by Steve Pietkiewicz
  Linear Technology introduces two
  new micropower DC/DC converters
  designed to provide power from a
  single-cell or higher input voltage.
  The LT1308 features an onboard
  switch capable of handling 2A with a
  voltage drop of 300mV and operates
  from an input voltage as low as 1V.
  The LT1317, intended for lower power
  requirements, operates from an input
  voltage as low as 1.5V. Its internal
  switch handles 600mA with a drop of
  360mV. Both devices feature Burst
  Mode operation at light load; efficiencies are above 70% for load currents
  of 1mA. Both devices switch at
  600kHz; this high frequency keeps associated power components small
  and flat; additionally, troublesome
  interference problems in the sensitive 455kHz IF band are avoided. The
  LT1308 is intended for generating …

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Clasificación del fabricante

• Power Management > Switching Regulator > LCD/CCD/OLED Bias | SEPIC Regulators
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost

Otros nombres:

LT1317IS8PBF, LT1317IS8 PBF