SLVT244 March   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Loss Graph
    3. 2.3 Load Regulation
    4. 2.4 Thermal Images
    5. 2.5 Bode Plots
  8. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 9.5A Output Current
      2. 3.1.2 No Load
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Ripple
    4. 3.4 Load Transients
      1. 3.4.1 4.5A to 9A Output Current
      2. 3.4.2 0A to 9A Output Current
        1. 3.4.2.1 FPWM Mode
        2. 3.4.2.2 Diode Emulation Mode
    5. 3.5 Start-up Sequence
      1. 3.5.1 Start-up into 9.5A Output Current
      2. 3.5.2 Start-up without Load
    6. 3.6 Shutdown Sequence
  9.   Trademarks

2.4 Thermal Images

The thermal image in Figure 2-4 was done after 10 minutes with 48V input voltage and 9.5A output current.

PMP31431 Thermal Image at 48VIN and 9.5AOUT Figure 2-4 Thermal Image at 48VIN and 9.5AOUT