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LTC4223-1 Datasheet Dual Supply Hot Swap Controller

Manufacturer: Linear Technology (now Analog Devices)

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General Description

The LTC®4223 positive voltage Hot SwapTM controller allows a board to be safely inserted and removed from a live AMC or MicroTCA backplane.

It controls the main 12V supply with an external N-channel MOSFET and the 3.3V auxiliary supply with an integrated switch.

The 12V output ramp rate is adjustable and includes inrush current limiting.

Overview

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Key Features

  • Allows Safe Insertion into Live AMC or MicroTCA Backplane.
  • Controls 12V Main and 3.3V Auxiliary Supplies.
  • Limits Peak Fault Current in ≤1μs.
  • Adjustable Current Limit with Circuit Breaker.
  • Integrated 0.3Ω AUX Switch.
  • High Side Current Sense.
  • Gate Drive for External N-Channel MOSFET.
  • Adjustable Response Time for Overcurrent Protection.
  • Adjustable Supply Voltage Power-Up Rate.
  • Thermal Shutdown Protection.
  • LTC4223-1: Latch Off After Fault.

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LTC4223-2 Dual Supply Hot Swap Controller
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LTC4228-1 Dual Ideal Diode and Hot Swap Controller
LTC4228-2 Dual Ideal Diode and Hot Swap Controller
LTC4210-1 Hot Swap Controller
LTC4210-2 Hot Swap Controller