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

2.3.1 20A Output Current

Figure 2-2 was taken at 12VIN, 20A output current, after 20 minutes with artificial air flow. The ambient temperature was 25°C. The board image in the Applications section shows the mounted heat sink.

PMP31306 Thermal Image at 20A Output Current Figure 2-2 Thermal Image at 20A Output Current