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ANALOG DEVICES LT4356HDE-2#PBF

Hot-Swap Controller, 4 V to 80 V in, DFN-12, -40°C to 125°C

ANALOG DEVICES LT4356HDE-2#PBF
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Manufacturer Part No:
LT4356HDE-2#PBF
Order Code:
4025786
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Technical Datasheet:
LT4356HDE-2#PBF   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

LT4356-2 is a surge stopper protects loads from high voltage transients. It regulates the output during an overvoltage event, such as load dump in automobiles, by controlling the gate of an external N-channel MOSFET. The output is limited to a safe value thereby allowing the loads to continue functioning. It also monitors the voltage drop between the VCC and SNS pins to protect against overcurrent faults. An internal amplifier limits the current sense voltage to 50mV. In either fault condition, a timer is started inversely proportional to MOSFET stress. If the timer expires, the FLT pin pulls low to warn of an impending power down. If the condition persists, the MOSFET is turned off. After a cool down period, the GATE pin pulls up turning on the MOSFET again. It is widely used in application such as automotive/avionic surge protection, hot swap/live insertion, high side switch for battery powered systems, intrinsic safety applications etc.
  • Adjustable output clamp voltage
  • Wide operation range is 4V to 80V
  • Supply current is 60µA typ
  • Auxiliary amplifier for level detection comparator or linear regulator controller
  • Adjustable fault timer
  • Controls N-channel MOSFET
  • Shutdown pin withstands to 60V to 100V
  • Fault output indication
  • Operating temperature is -40°C to 125°C
  • Packaging style is 12-lead plastic DFN

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Technical Documents (1)

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HK$74.07

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