TIDT402 February   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graph
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
      1. 2.3.1 20A Output Current
      2. 2.3.2 26A Output Current
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 26A Output Current
      2. 3.1.2 4A Output Current
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-up Sequence
    6. 3.6 Shutdown Sequence

3.4 Load Transients

Figure 3-6 shows the transient behavior with an 8A load step added on top of a 10A DC load (10A DC current not shown).

PMP31306 Load Transient at 11V Input Voltage
  • CH1: Output transient current (scale: 2A/div, 20ms/div)
  • CH4: AC coupled output voltage (scale: 500mV/div, 20ms/div, 20MHz bandwidth)
Figure 3-6 Load Transient at 11V Input Voltage