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LTC4252-2 Datasheet Negative Voltage Hot Swap Controllers

Manufacturer: Linear Technology (now Analog Devices)

Download the LTC4252-2 datasheet PDF. This datasheet also includes the LTC4252A-1 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LTC4252A-1_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

General Description

The LTC®4252 negative voltage Hot SwapTM controller allows a board to be safely inserted and removed from a live backplane.

Output current is controlled by three stages of current limiting: a timed circuit breaker, active current limiting and a fast feedforward path that limits peak current under worst-case catastrophic fault conditions.

Adjustable undervoltage and overvoltage detectors disconnect the load whenever the input supply exceeds the desired operating range.

Overview

LTC4252-1/LTC4252-2 LTC4252A-1/LTC4252A-2 Negative Voltage Hot Swap.

Key Features

  • n Allows Safe Board Insertion and Removal from a Live.
  • 48V Backplane n Floating Topology Permits Very High Voltage Operation n Current Limit With Circuit Breaker Timer n Fast Response Time Limits Peak Fault Current n Programmable Soft-Start Current Limit n Programmable Timer with Drain Voltage Accelerated Response n ±1% Undervoltage/Overvoltage Threshold Accuracy (LTC4252A).
  • Adjustable Undervoltage/Overvoltage Protection.
  • LTC4252-1/LTC4252A-1: Latch Off After Fault.
  • LTC42.

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LTC4252-1 Negative Voltage Hot Swap Controllers
LTC4252A-1 Negative Voltage Hot Swap Controllers
LTC4252A-2 Negative Voltage Hot Swap Controllers
LTC4251 Negative Voltage Hot Swap Controllers
LTC4251-1 Negative Voltage Hot Swap Controllers
LTC4251-2 Negative Voltage Hot Swap Controller
LTC4253 -48V Hot Swap Controller
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LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller
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