SLVUE86 October   2026

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 General Configurations
      1. 2.1.1 Physical Access
      2. 2.1.2 Test Equipment and Setup
        1. 2.1.2.1 Power Supplies
        2. 2.1.2.2 Meters
        3. 2.1.2.3 Oscilloscope
        4. 2.1.2.4 Loads
        5. 2.1.2.5 USB-to-GPIO Interface Adapter
  8. 3Implementation Results
    1. 3.1 Test Setup and Procedures
    2. 3.2 Test Results
      1. 3.2.1 Input Hot-Plug
      2. 3.2.2 Start-Up with Enable
        1. 3.2.2.1 Start-Up With Constant Output Voltage Slew-Rate
        2. 3.2.2.2 Start-Up With PLIM Hiccup Mode
      3. 3.2.3 Power-Up Into Short
        1. 3.2.3.1 Power-Up Into Short in Constant Output Voltage Slew-Rate-Based Start-Up
        2. 3.2.3.2 Power-Up Into Short in PLIM Hiccup Mode
      4. 3.2.4 Undervoltage and Overvoltage Lockout
      5. 3.2.5 Overcurrent Performance
      6. 3.2.6 Output Hot Short
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  10. 5Additional Information
    1. 5.1 Trademarks

3.2.4 Undervoltage and Overvoltage Lockout

Test Conditions: CLOAD = 100μs, RLAOD = 24kΩ, CSS = 44nF, UV rising threshold = 727V, UV falling threshold = 699V, OV rising threshold = 883V, OV falling threshold = 872V, and input voltage swept from 700V to 930V and then to 700V.

LMI800PSEVM Undervoltage and Overvoltage Lockout and Recovery Responses Figure 3-10 Undervoltage and Overvoltage Lockout and Recovery Responses