TIDT436 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients

3.2 Output Voltage Ripple

Figure 3-8 through Figure 3-10 show the output voltage ripple. Each waveform reflects the following parameters:

  • Ch 3 (purple) is output voltage with ac coupled
  • Ch 4 (green) is resonant current in primary side
PMP41114 Output Voltage Ripple With 400V Input and 67A LoadFigure 3-8 Output Voltage Ripple With 400V Input and 67A Load
PMP41114 Output Voltage Ripple With 380V Input and 67A LoadFigure 3-10 Output Voltage Ripple With 380V Input and 67A Load
PMP41114 Output Voltage Ripple With 420V Input and 67A LoadFigure 3-9 Output Voltage Ripple With 420V Input and 67A Load