LTC4364
Info : RECOMMENDED FOR NEW DESIGNS
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LTC4364

Surge Stopper with Ideal Diode

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 52
1ku List Price Starting From $4.13
Features
  • Wide Operating Voltage Range: 4V to 80V
  • Withstands Surges Over 80V with VCC Clamp
  • Adjustable Output Clamp Voltage
  • Ideal Diode Controller Holds Up Output Voltage During Input Brownouts
  • Reverse Input Protection to -40V
  • Reverse Output Protection to -20V
  • Overcurrent Protection
  • Low 10μA Shutdown Current at 12V
  • Adjustable Fault Timer
  • 0.1% Retry Duty Cycle During Faults (LTC4364-2)
  • Available in 4mm x 3mm 14-Lead DFN, 16-Lead MSOP, and 16-Lead SO Packages
  • AEC-Q100 Qualified for Automotive Applications
Additional Details
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The LTC4364 surge stopper with ideal diode controller protects loads from high voltage transients. It limits and regulates the output during an overvoltage event, such as load dump in automobiles, by controlling the voltage drop across an external N-channel MOSFET pass device. The LTC4364 also includes a timed, current limited circuit breaker. In a fault condition, an adjustable fault timer must expire before the pass device is turned off. The LTC4364-1 latches off the pass device while the LTC4364-2 automatically restarts after a delay. The LTC4364 precisely monitors the input supply for overvoltage (OV) and undervoltage (UV) conditions. The external MOSFET is held off in undervoltage and auto-retry is disabled in overvoltage.

An integrated ideal diode controller drives a second MOSFET to replace a Schottky diode for reverse input protection and output voltage holdup. The LTC4364 controls the forward voltage drop across the MOSFET and minimizes reverse current transients upon power source failure, brownout or input short.

APPLICATIONS

  • Automotive/Avionic Surge Protection
  • Hot Swap/Live Insertion
  • Redundant Supply ORing
  • Output Port Protection
Part Models 52
1ku List Price Starting From $4.13

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Jan 20, 2022

- 21_0269

Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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Jul 31, 2020

- 20_0245

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

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Oct 28, 2019

- 19_0208

LTC4364 Notification of Die Revision Change

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