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LM5067 - Negative Hot Swap / Inrush Current Controller

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.

Key Features

  • 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 Package.
  • MSOP-10.
  • SO-14 (Latched Fault Version) Typical.

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LM5067 Negative Hot Swap / Inrush Current Controller with Power Limiting September 9, 2009 LM5067 Negative Hot Swap / Inrush Current Controller with Power Limiting 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). In addition, the LM5067 provides circuit protection by monitoring for overcurrent and over-voltage conditions.