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LTC2905

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  Compact, Versatile, Accurate, 3-State Programmable Power Supply Supervisors &mdash LT Journal
  PDF, 234 Kb, Datei veröffentlicht: Feb 1, 2004
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  DESIGN FEATURES Compact, Versatile, Accurate,
  3-State Programmable Power
  by Eko T. Lisuwandi
  Supply Supervisors
  Introduction
  Many modern electronic systems must
  know when the power supply (or supplies) is present and stable before start
  up. A power supply monitor fills this
  need by generating a Power-Good
  signal when all is ready. Likewise,
  once running, most systems require
  that the supply monitor indicate
  when the power supply has dropped
  to a minimum threshold—to prevent
  unreliable operation and possibly
  initialize housekeeping operations.
  An accurate supply monitor helps to
  avoid spurious resets and increases
  up-time (see sidebar).
  Four new power supply supervisors
  improve system reliability by offering
  very accurate reset thresholds. They
  save design time, production costs and …

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• Monitor, Control and Protection > Supervisory Circuits > Dual Supply Monitors

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LTC2904IDDBTRMPBF, LTC2904IDDB TRMPBF