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LM5067 Datasheet Negative Hot Swap / Inrush Current Controller

Manufacturer: Texas Instruments

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General Description

The LM5067 negative hot swap controller provides intelligent control of the power supply connections during insertion and removal of circuit cards from a live system backplane or other “hot” power sources.

The LM5067 provides in-rush current control to limit system voltage droop and transients.

The current limit and power dissipation in the external series pass NChannel MOSFET are programmable, ensuring operation within the Safe Operating Area (SOA).

Overview

LM5067 www.ti.com SNVS532C – OCTOBER 2007 – REVISED MARCH 2013 Negative Hot Swap / Inrush Current Controller with Power Limiting Check for Samples:.

Key Features

  • 1.
  • 2 Wide operating range: -9V to -80V.
  • In-rush current limit for safe board insertion into live power sources.
  • Programmable maximum power dissipation in the external pass device.
  • Adjustable current limit.
  • Circuit breaker function for severe over- current events.
  • Adjustable under-voltage lockout (UVLO) and hysteresis.
  • Adjustable over-voltage lockout (OVLO) and hysteresis.
  • Initial insertion timer allows ringing and transients.

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National Semiconductor Logo LM5067 Negative Hot Swap / Inrush Current Controller National Semiconductor

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