TIDT225 March   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Required Equipment
  3. 3Testing and Results
    1. 3.1 Thermal Images
    2. 3.2 Efficiency and Power Dissipation Graphs
    3. 3.3 Efficiency and Power Dissipation Data
    4. 3.4 Cross Regulation
    5. 3.5 Loop Gain
  4. 4Waveforms
    1. 4.1 Start-up
    2. 4.2 Switching Waveforms
    3. 4.3 Output Voltage Ripple
    4. 4.4 Load Transients

3.2 Efficiency and Power Dissipation Graphs

This data displays the efficiency and power dissipation of the converter at 50% and 100% of maximum output power at four different input voltages (7 V, 12 V, 16 V, and 24 V).

GUID-20210219-CA0I-28HH-Q2FH-QXFD7X384HVP-low.pngFigure 3-3 Efficiency and Power Dissipation Graph

Resistive loads were used as shown in the following table.

GUID-20210219-CA0I-TWJG-MR9X-HCSSNLSGZWJB-low.pngFigure 3-4 Converter Load Resistance