DESCRIPTION
The LT®4356-3 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
■ 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
■ Adjustable Latchoff Fault Timer
■ Controls N-channel MOSFET
■ Shutdown Pin Withstands –60V to 100V
■ Fault Output Indication
■ Auxiliary Amplifier for Level Detection Comparator or
   Linear Regulator Controller
■ Available in (4mm × 3mm) 12-Pin DFN,
   10-Pin MSOP or 16-Pin SO Packages

APPLICATIONS
■ Automotive/Avionic Surge Protection
■ Hot Swap/Live Insertion
■ High Side Switch for Battery Powered Systems
■ Intrinsic Safety Applications