SLVT237 December   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Safety Considerations
  8. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  9. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Startup

3.4 Startup

Figure 3-4 and Figure 3-5 show the output voltage startup waveforms at 48V input and 12V output with the converter startup up into no load and into a 25A constant-resistance load using an electronic load.

PMP23595 Startup Into No Load, 48V Input, 12V Output, Startup Initiated by Input Supply Power-Up Figure 3-4 Startup Into No Load, 48V Input, 12V Output, Startup Initiated by Input Supply Power-Up
PMP23595 Startup Into 25A Constant-Resistance Load, 48V Input, 12V Output, Startup Initiated by Input Supply Power-Up Figure 3-5 Startup Into 25A Constant-Resistance Load, 48V Input, 12V Output, Startup Initiated by Input Supply Power-Up