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LT4356-2 - Surge Stopper

Description

The LT®4356 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.

Features

  • n n n n n n n n n n n n n Stops High Voltage Surges Adjustable Output Clamp Voltage Overcurrent Protection Wide Operation Range: 4V to 80V Reverse Input Protection to.
  • 60V Low 7μA Shutdown Current, LT4356-1 Adjustable Fault Timer Controls N-channel MOSFET Shutdown Pin Withstands.
  • 60V to 100V Fault Output Indication Guaranteed Operation to 125°C Spare Amplifier for Level Detection Comparator or Linear Regulator Controller Available in (4mm × 3mm) 12-Pin DFN, 10-Pin MSOP or 16-Pin.

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    www.DataSheet4U.com LT4356-1/LT4356-2 Surge Stopper DESCRIPTION The LT®4356 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. The LT4356 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.
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