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Notas de Diseño

• Descargar
  Tracking and Sequencing Made Simple with Tiny Point-of-Load Circuit &mdash DN389
  PDF, 96 Kb, Archivo publicado: marzo 13, 2006
  Extracto del documento

  advertisement Tracking and Sequencing Made Simple with
  Tiny Point-of-Load Circuit – Design Note 389
  Scott Jackson
  Introduction
  Multiple-voltage electronics systems often require
  complex supply voltage tracking or sequencing, which
  if not met, can result in system faults or even permanent
  failures in the field. The design difficulties in meeting
  these requirements are often compounded in distributedpower architectures where point-of-load (POL) DC/DC
  converters or linear regulators are scattered across PC
  board space, sometimes on different board planes. The
  problem is that power supply circuitry is often the last
  circuitry to be designed into the board, and it must be
  shoehorned into whatever little board real estate is left.
  Often, a simple, drop-in, flexible solution is needed to
  meet these requirements.
  The LTCВ®2927 provides a simple and versatile solution in
  a tiny footprint for both tracking and sequencing without
  the drawbacks of series MOSFETs. Furthermore, power
  EARLY VIN
  3.3V 0.1ВµF 138k VCC
  ON 100k RAMP SDO RUN/SS IN
  DC/DC RAMPBUF …

Artículos

• Descargar
  Supply Tracking and Sequencing at Point-of-Load: Easy Design without the Drawbacks of MOSFETs &mdash LT Journal
  PDF, 578 Kb, Archivo publicado: sept 1, 2005
  Extracto del documento

  DESIGN FEATURES Supply Tracking and Sequencing at
  Point-of-Load: Easy Design without
  the Drawbacks of MOSFETs by Scott Jackson
  Introduction
  Multi-voltage electronics systems are
  often saddled with complex power
  supply voltage tracking or sequencing requirements, which, if not met,
  can result in system faults or even
  permanent failures in the п¬Ѓeld. The
  design difficulties in meeting these
  requirements are often compounded
  in distributed-power architectures
  where point-of-load (POL) DC/DC
  converters are scattered across PC
  board space, sometimes on different
  board planes. The problem is that
  power supply circuitry is often the
  last circuitry to be designed into the
  board, and it must be shoehorned
  into whatever little board real estate
  EARLY
  VIN
  6V is left. Centralized sequencing-tracking solutions can work well, but when …

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Clasificación del fabricante

• Monitor, Control and Protection > Sequencers, Trackers, and Margining Controllers
• Monitor, Control and Protection > Sequencers, Trackers, and Margining Controllers > Tracking Controllers