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LTC4281 - Hot Swap Controller

Description

The LTC®4281 hot swap controller allows a board to be safely inserted and removed from a live backplane.

Using an external N-channel pass transistor, board supply voltage and inrush current are ramped up at an adjustable rate.

Features

  • n Allows Safe Board Insertion Into Live Backplane n 12-/16-Bit ADC with ±0.9% Total Unadjusted Error n Monitors Current, Voltage, Power and Energy n Internal EEPROM for Nonvolatile Configuration n Wide Operating Voltage Range: 2.9V to 33V n I2C/SMBus Digital Interface (Coexists with PMBus Devices) n 12V Gate Drive for Lower MOSFET RDS(ON) n Programmable Current Limit with 2% Accuracy n MOSFET Power Limiting with Current Foldback n Continuously Monitors MOSFET Health n Stores Minimum and Maximum.

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Full PDF Text Transcription

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FEATURES n Allows Safe Board Insertion Into Live Backplane n 12-/16-Bit ADC with ±0.9% Total Unadjusted Error n Monitors Current, Voltage, Power and Energy n Internal EEPROM for Nonvolatile Configuration n Wide Operating Voltage Range: 2.
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