TIDT394 May   2024

 

  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
  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 Voltage Ripple
    3. 3.3 Short-Circuit Protection
    4. 3.4 Load Transients
    5. 3.5 Start-up Sequence
    6. 3.6 Current Monitor Output

3.4 Load Transients

Figure 3-6 shows the behavior of the PMP23389 during a load transient at 5.1V output, 7.5 to 15A and 15A to 7.5A load steps.

PMP23389 12V Input; CH3: Output Voltage, AC Coupled, 50mV/div; CH4: Output Current, 5A/divFigure 3-6 12V Input; CH3: Output Voltage, AC Coupled, 50mV/div; CH4: Output Current, 5A/div