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LM5051 - Low Side OR-ing FET Controller

General Description

The LM5051 Low Side OR-ing FET Controller operates in conjunction with an external MOSFET as an ideal diode rectifier when connected in series with a power source.

Key Features

  • 1.
  • 2 Wide operating input voltage range: -6V to 100V.
  • -100V Transient Capability.
  • Gate drive for external N-Channel MOSFET.
  • MOSFET diagnostic test mode.
  • Fast 50ns response to current reversal.
  • 2A peak gate turn-off current.
  • Package: 8-Lead SOIC.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM5051 www.ti.com SNVS702D – OCTOBER 2011 – REVISED MARCH 2013 LM5051 Low Side OR-ing FET Controller Check for Samples: LM5051 FEATURES 1 •2 Wide operating input voltage range: -6V to 100V • -100V Transient Capability • Gate drive for external N-Channel MOSFET • MOSFET diagnostic test mode • Fast 50ns response to current reversal • 2A peak gate turn-off current • Package: 8-Lead SOIC APPLICATIONS • Active OR-ing of Redundant (N+1) Power Supplies DESCRIPTION The LM5051 Low Side OR-ing FET Controller operates in conjunction with an external MOSFET as an ideal diode rectifier when connected in series with a power source. This OR-ing controller allows MOSFETs to replace diode rectifiers in power distribution networks thus reducing both power loss and voltage drops.