TIDT447 June   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Safety Considerations
    4. 1.4 Dimensions
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  8. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients

3.1 Switching

Both switching waveforms are taken at maximum load at 50A (25A per phase). Figure 3-1 and Figure 3-2 show frequency around 450kHz. Both phases are 120⁰ out of phase with each other.

PMP23591 36VIN Switching Waveform Figure 3-1 36VIN Switching Waveform
PMP23591 48VIN Switching Waveforms Figure 3-2 48VIN Switching Waveforms