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LTC4381 Datasheet Low Quiescent Current Efuse

Manufacturer: Analog Devices

Overview: LTC4381 Low Quiescent Current eFuse with Surge Protection.

General Description

The LTC®4381 is an integrated solution for low quiescent current eFuse with an internal 9mΩ N-Channel MOSFET.

Overvoltage protection is provided by clamping the gate voltage of an internal 9mΩ N-channel MOSFET to limit the output voltage to a safe value during overvoltage events such as load dump in automobiles.

The MOSFET safe operating area is production tested and guaranteed for the stresses during high voltage transients.

Key Features

  • n Withstands Surge Voltages Up to 100V n Internal 9mΩ N-Channel MOSFET n Guaranteed Safe Operating Area: 20ms at 70V, 1A n Low Quiescent Current: 6µA Operating n Operates Through Automobile Cold Crank n Wide Operating Voltage Range: 4V to 72V n No Input TVS needed n Overcurrent Protection n Selectable Internal 28.5V/47V or Adjustable Output Clamp Voltage (Table 1) n Reverse Input Protection to.
  • 60V n Adjustable Turn-On Threshold n Adjustable Fault Timer with MOSFET Stress Acceleration n.

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