TIDT195 September   2020  – MONTH 

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  3. 2Testing and Results
    1. 2.1 Thermal Images
    2. 2.2 Efficiency and Power Dissipation Graphs
    3. 2.3 Efficiency and Power Dissipation Data
    4. 2.4 Voltage Regulation
  4. 3Waveforms
    1. 3.1 Start-up
    2. 3.2 Switch Node
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Short-Circuit Recovery Response

3.1 Start-up

The following image shows the output voltage start-up waveform (RED) after the application of 60-V input (BLUE) with the 12-V output loaded to 400 mA.

GUID-20200813-CA0I-HTNP-LTXQ-ZFTDSCTJMHQ0-low.jpgFigure 3-1 Output Voltage Start-up Waveform (VIN: 10 V/div, VOUT: 5 V/div, 50 ms/div)

The following image shows the output voltage start-up waveform (RED) after the application of 60-V input (BLUE) with the 12-V output loaded to 0 mA.

GUID-20200813-CA0I-PMXK-D8T7-G8J57DFQVM6C-low.jpgFigure 3-2 Output Voltage Start-up Waveform (VIN: 10 V/div, VOUT: 5 V/div, 50 ms/div)

The following image shows the output voltage start-up waveform (RED) after the application of 150-V input (BLUE) with the 12-V output loaded to 400 mA.

GUID-20200813-CA0I-9VKV-V5WV-SSVHMG7KFMK7-low.jpgFigure 3-3 Output Voltage Start-up Waveform (VIN: 50 V/div, VOUT: 5V/div, 50 ms/div).

The following image shows the output voltage start-up waveform (RED) after the application of 150-V input (BLUE) with the 12-V output loaded to 0 mA.

GUID-20200813-CA0I-TGGL-1SCT-QD5BXQ4LP30B-low.jpgFigure 3-4 Output Voltage Start-up Waveform (VIN: 50 V/div, VOUT: 5 V/div, 50 ms/div).