LTC4367

RECOMMENDED FOR NEW DESIGNS

100V Overvoltage, Undervoltage and Reverse Supply Protection Controller

Part Models
40
1ku List Price
Starting From $2.13
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Part Details

  • Wide Operating Voltage Range: 2.5V to 60V
  • Overvoltage Protection to 100V
  • Reverse Supply Protection to –40V
  • LTC4367: Blocks 50Hz and 60Hz AC Power
  • LTC4367: 32ms Recovery from Fault
  • LTC4367-1: Fast 500μs Recovery from Fault
  • No Input Capacitor or TVS Required for Most Applications
  • Adjustable Undervoltage and Overvoltage Thresholds
  • Controls Back-to-Back N-Channel MOSFETs
  • Low Operating Current: 70μA
  • Low Shutdown Current: 5μA
  • 8-Pin MSOP and 3mm × 3mm DFN Packages
  • AEC-Q100 Qualified for Automotive Applications
  • LTC4367
    100V Overvoltage, Undervoltage and Reverse Supply Protection Controller
    LTC4367 Application Circuit LTC4367 Performance Graph LTC4367 Pin Configuration LTC4367 Pin Configuration
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    Hardware Ecosystem

    Parts Product Life Cycle Description
    High Voltage Hot Swap Controllers 1
    LTC4380 RECOMMENDED FOR NEW DESIGNS Low Quiescent Current Surge Stopper
    Surge Stopper, Overvoltage, and Overcurrent Protection 1
    LT4363 RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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    Tools & Simulations

    LTspice 1


    Models for the following parts are available in LTspice:

    • LTC4367
    • LTC4367-1
    LTspice

    LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


    Evaluation Kits

    eval board
    DC2417A-B

    LTC4367IMS8-1 Demo Board | UV, OV and Reverse Supply Protection with 0.5ms Fault Recovery

    Product Details

    Demonstration circuit 2417A is intended to demonstrate the performance of the LTC4367 100V overvoltage (OV), undervoltage (UV), and reverse supply protection controller.


    This controller protects circuits from input voltages that may be too high, too low or negative. It operates by controlling the gates of two back-to-back connected N-channel MOSFETs to keep the output in a safe range. The UV and OV setpoints are configured by the resistive divider on the UV and OV inputs. Asserting the SHDN pin disables the MOSFETs and places the LTC4367 in a low current shutdown state. The FAULT pin asserts when the controller is in the shutdown mode or when the input voltage is outside of the UV/OV window.

    eval board
    DC2417A-A

    LTC4367IMS8 Demo Board | UV, OV and Reverse Supply Protection with 32ms Fault Recovery

    Product Details

    Demonstration circuit 2417A is intended to demonstrate the performance of the LTC4367 100V overvoltage (OV), undervoltage (UV), and reverse supply protection controller.


    This controller protects circuits from input voltages that may be too high, too low or negative. It operates by controlling the gates of two back-to-back connected N-channel MOSFETs to keep the output in a safe range. The UV and OV setpoints are configured by the resistive divider on the UV and OV inputs. Asserting the SHDN pin disables the MOSFETs and places the LTC4367 in a low current shutdown state. The FAULT pin asserts when the controller is in the shutdown mode or when the input voltage is outside of the UV/OV window.

    DC2417A-B
    LTC4367IMS8-1 Demo Board | UV, OV and Reverse Supply Protection with 0.5ms Fault Recovery
    DC2417A-B Demo Board DC2417A-B Demo Board DC2417A-B Demo Board DC2417A-B Demo Board DC2417A - Schematic
    DC2417A-A
    LTC4367IMS8 Demo Board | UV, OV and Reverse Supply Protection with 32ms Fault Recovery
    DC2417A-A Demo Board DC2417A-A Demo Board DC2417A-A Demo Board DC2417A-A Demo Board DC2417A - Schematic

    Reference Designs

    CN0415
    Robust, Closed-Loop Control and Monitoring System for Solenoid Actuators 
    Circuit Diagram
    EVAL-CN0415-ARDZ Evaluation Board
    EVAL-CN0415-ARDZ Evaluation Board - Top View
    EVAL-CN0415-ARDZ Evaluation Board - Bottom View

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