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Artículos

• Descargar
  4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT Journal
  PDF, 313 Kb, Archivo publicado: jul 7, 2015
  Extracto del documento

  4-Phase Power Supply Delivers 120A in Tiny Footprint,
  Features Ultralow DCR Sensing for High Efficiency
  Yingyi Yan, Haoran Wu and Jian Li The LTC3875 is a feature-rich dual-output synchronous
  buck controller that meets the power density demands
  of modern high speed, high capacity data processing
  systems, telecom systems, industrial equipment and DC
  power distribution systems. The LTC3875 delivers high
  efficiency with reliable current mode control, ultralow DCR
  sensing and strong integrated drivers in a 6mm Г— 6mm
  40-pin QFN. Multiple LTC3875s can be paralleled to provide
  higher current, or it can be combined with the LTC3874
  to deliver the same performance with a smaller footprint.
  The LTC3874 is a small footprint
  (4mm Г— 5mm QFN), dual PolyPhaseВ® current mode synchronous step-down slave
  controller (phase extender). It is suitable
  for high current, multiphase applications
  when paired with a companion master
  controller, such as LTC3875. The LTC3874
  can use sub-milliohm DC resistance
  power inductors to optimize efficiency.
  Immediate response to system faults
  guarantees reliability of the total solution. 1V V OUT, 120A CONVERTER WITH
  PARALLEL LTC3875s The LTC3875 can be easily configured as …

• Descargar
  High Efficiency PolyPhase Power Supply Delivers 30A per Phase with Ultralow Inductor DCR Sensing and Fast Transient Response &mdash LT Journal
  PDF, 501 Kb, Archivo publicado: enero 6, 2014
  Extracto del documento

  High Efficiency PolyPhase Power Supply Delivers
  30A per Phase with Ultralow Inductor DCR Sensing
  and Fast Transient Response
  Jian Li and Gina Le The LTC3875 is a feature-rich dual-output synchronous
  buck controller that meets the power density
  demands of modern high speed, high capacity data
  processing systems, telecom systems, industrial
  equipment and DC power distribution systems.
  The LTC3875’s features include: 60k
  D1 CB1 0.1ВµF IFAST
  PHASMD
  CLKOUT
  PGOOD
  MODE/PLLIN BOOST1
  SW1
  EXTVCC
  BG1
  TAVG M2 715О© 220nF
  220nF
  RB1 13.3k COUT3
  470ВµF
  Г—2 RUN1,2 COUT4
  100ВµF …

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Clasificación del fabricante

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | High Input Voltage Buck | External Power Switch Buck Controllers

Otros nombres:

LTC3875IUHPBF, LTC3875IUH PBF