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LTC4253A - -48V Hot Swap Controller

This page provides the datasheet information for the LTC4253A, a member of the LTC4253 -48V Hot Swap Controller family.

Description

The LTC®4253/LTC4253A negative voltage Hot Swap™ controllers allow a board to be safely inserted and removed from a live backplane.

Features

  • n Allows Safe Board Insertion and Removal from a Live.
  • 48V Backplane n Floating Topology Permits Very High Voltage Operation n Adjustable Analog Current Limit with Breaker Timer Ideal for Two Battery Feeds n Fast Response Time Limits Peak Fault Current n Adjustable Undervoltage/Overvoltage Protection with ±1% Threshold Accuracy (LTC4253A) n Three Sequenced Power Good Outputs n Adjustable Soft-Start Current Limit n Adjustable Timer with Drain Voltage Accelerated Response n Latcho.

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Full PDF Text Transcription

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LTC4253/LTC4253A –48V Hot Swap Controllers with Sequencer FEATURES n Allows Safe Board Insertion and Removal from a Live –48V Backplane n Floating Topology Permits Very High Voltage Operation n Adjustable Analog Current Limit with Breaker Timer Ideal for Two Battery Feeds n Fast Response Time Limits Peak Fault Current n Adjustable Undervoltage/Overvoltage Protection with ±1% Threshold Accuracy (LTC4253A) n Three Sequenced Power Good Outputs n Adjustable Soft-Start Current Limit n Adjustable Timer with Drain Voltage Accelerated Response n Latchoff After Fault n Available in a 16-Pin SSOP Package APPLICATIONS n –48V Distributed Power Systems n Negative Power Supply Control n Central Office Switching n High Availability Servers n Disk Arrays L, LT, LTC, LTM, Linear Technology
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