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  High Current Positive-to-Negative Conversion with the LTC1775 No Rsense Controller &mdash LT Journal
  PDF, 150 Kb, Archivo publicado: sept 1, 2000
  Extracto del documento

  DESIGN IDEAS High Current Positive-to-Negative
  Conversion with the LTC1775
  No RSENSE Controller
  by Christopher B. Umminger DESIGN IDEAS
  High Current Positive-to-Negative
  Conversion with the LTC1775
  No RSENSE Controller . 19
  Christopher B. Umminger PolyPhase Switcher Reduces Parts
  Count for Smaller, Less Expensive
  Mobile CPU Supply . 20
  Wei Chen Performance Verification of
  Low Noise, Low Dropout Regulators
  . 24
  Jim Williams and Todd Owen boost. It differs from the typical
  LTC1775 buck converter applications
  in several important ways. First, the
  LTC1775 is connected between the
  positive input voltage and the negative output voltage with the output of
  the inductor connected to the system
  ground. Thus, the LTC1775 and the
  power MOSFET switches are exposed
  to a voltage that is the sum of VIN +
  |VOUT|, which must be kept below …

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

Otros nombres:

LTC1775IGNTRPBF, LTC1775IGN TRPBF