SNOU215 January   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 System Block Diagram
    2. 1.2 Kit Contents
    3. 1.3 Voltage and Current Requirements
    4. 1.4 Design Consideration
      1. 1.4.1 Boost Inductor Design
      2. 1.4.2 High Frequency Power Switch Selection
      3. 1.4.3 Input AC Voltage Sensing
      4. 1.4.4 Bulk Voltage Sensing
      5. 1.4.5 Input Current Sensing
      6. 1.4.6 Baby Boost Design
      7. 1.4.7 Relay
      8. 1.4.8 Protection
        1. 1.4.8.1 Over Voltage Protection
        2. 1.4.8.2 Over Current Protection
  7. 2Software
    1. 2.1 Quickstart guide
    2. 2.2 Download Firmware
  8. 3Power Up
    1. 3.1 Required Equipment
    2. 3.2 Considerations
    3. 3.3 Start-Up Sequence
  9. 4Implementation Results
    1. 4.1 Start-Up Waveform
    2. 4.2 THD Performance
    3. 4.3 Power Factor
    4. 4.4 Efficiency Graph
    5. 4.5 E-meter Performance
    6. 4.6 Load Transients
    7. 4.7 Input Current Waveforms
    8. 4.8 AC Drop Test
    9. 4.9 Thermal Images
  10. 5Hardware Design Files
    1. 5.1 Design Files
  11. 6Related Documentation
    1. 6.1 Supplemental Content
  12. 7External Reference

4.8 AC Drop Test

PFC23338EVM-107 AC Drop at 120 VAC, 1800 W Load (Blue: Vout, Pink: Iin)Figure 4-26 AC Drop at 120 VAC, 1800 W Load (Blue: Vout, Pink: Iin)
PFC23338EVM-107 AC Drop at 240 VAC, 3600 W Load (Blue: Vout, Pink: Iin)Figure 4-27 AC Drop at 240 VAC, 3600 W Load (Blue: Vout, Pink: Iin)
PFC23338EVM-107 Re-rush Current When AC Comes Back From 10ms Drop Out (Green: Iin, Blue: Vout)Figure 4-28 Re-rush Current When AC Comes Back From 10ms Drop Out (Green: Iin, Blue: Vout)
PFC23338EVM-107 Zoom In of Re-rush CurrentFigure 4-29 Zoom In of Re-rush Current