SLVUD74A April   2025  – June 2025 LM72880-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Test Setup and Procedure
      1. 2.1.1 EVM Connections
      2. 2.1.2 Test Equipment
      3. 2.1.3 Recommended Test Setup
        1. 2.1.3.1 Input Connections
        2. 2.1.3.2 Output Connections
        3. 2.1.3.3 I2C Connections
      4. 2.1.4 Test Procedure
        1. 2.1.4.1 Graphic User Interface (GUI)
          1. 2.1.4.1.1 Quick Overview
        2. 2.1.4.2 Basic Test Procedure
  9. 3Implementation Results
    1. 3.1 Test Data and Performance Curves
      1. 3.1.1 Efficiency
      2. 3.1.2 Operating Waveforms
        1. 3.1.2.1 Start-Up and Shutdown
        2. 3.1.2.2 Switching
        3. 3.1.2.3 Load Transient (CV), ISET Modulation (CC)
      3. 3.1.3 Thermal Performance
      4. 3.1.4 EMI Performance
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks
  12. 6Device and Documentation Support
    1. 6.1 Device Support
      1. 6.1.1 Development Support
    2. 6.2 Documentation Support
      1. 6.2.1 Related Documentation
        1. 6.2.1.1 PCB Layout Resources
        2. 6.2.1.2 Thermal Design Resources
  13. 7Revision History

3.1.4 EMI Performance

Populated EMI filter components during EMI test (L1 : XGL4040-222MEC, L2 : CM7060P701R-10).

LM72880QEVM-400 150kHz to 30MHz, VSUPPLY = 48V, VLOAD = 20V, RLOAD = 4Ω Figure 3-11 150kHz to 30MHz, VSUPPLY = 48V, VLOAD = 20V, RLOAD = 4Ω