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LM25069 - Positive Low Voltage Power Limiting Hot Swap Controller

Description

The LM25069 positive hot swap controller provides intelligent control of the power supply voltage to the load during insertion and removal of circuit cards from a live system backplane or other "hot" power sources.

Features

  • Operating range: +2.9V to +17V.
  • 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 Internal high side charge pump and gate driver for external N-channel MOSFET Adjustable under-voltage lockout (UVLO) and hysteresis Adjustable over-voltage lockout (OVLO) and hys.

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LM25069 Positive Low Voltage Power Limiting Hot Swap Controller www.DataSheet4U.com July 15, 2009 LM25069 Positive Low Voltage Power Limiting Hot Swap Controller General Description The LM25069 positive hot swap controller provides intelligent control of the power supply voltage to the load during insertion and removal of circuit cards from a live system backplane or other "hot" power sources. The LM25069 provides in-rush current control to limit system voltage droop and transients. The current limit and power dissipation in the external series pass N-Channel MOSFET are programmable, ensuring operation within the Safe Operating Area (SOA). The POWER GOOD output indicates when the output voltage is within 1.3V of the input voltage.
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