TIDUDG1 July   2022

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 MIL-STD-1275E versus MIL-STD-1275D
      2. 2.2.2 Reverse Polarity Event
      3. 2.2.3 Voltage Spike Event
      4. 2.2.4 Voltage Spike Event: Component Selection
      5. 2.2.5 Voltage Surge Event
      6. 2.2.6 Voltage Surge Event: Component Selection
    3. 2.3 Highlighted Products
      1. 2.3.1 LM7480-Q1
      2. 2.3.2 LM5069
  8. 3Hardware, Testing Requirements and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks

Features

  • Two-stage 100-V surge suppression
    • First stage surge 100 V → 50 V handled by the LM7480-Q1
    • Second stage surge 50 V → 34 V handled by the LM5069
  • ±250-V spike surge suppression
  • Reverse input protection down to –65 V