TIDT246 September   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 Efficiency and Power Dissipation Graphs
    2. 3.2 Efficiency and Power Dissipation Data
    3. 3.3 Thermal Performance
    4. 3.4 Bode Plot
    5. 3.5 Voltage Regulation
  4. 4Waveforms
    1. 4.1 Switching
    2. 4.2 Output Voltage Ripple
    3. 4.3 Start-up

4.2 Output Voltage Ripple

The output voltage ripple of each converter is shown in the following figures.

GUID-20210720-CA0I-JQMC-ZG2J-RB0NWFFV2M0P-low.pngFigure 4-9 Boost Converter Output Ripple, 6 VIN, Maximum Load
GUID-20210720-CA0I-WNF9-NRRB-96QFMRNDNBLB-low.pngFigure 4-10 Boost Converter Output Ripple, 28 VIN, Maximum Load

The LLC output ripple was measured on the 3-W rail to show the worst-case ripple.

GUID-20210720-CA0I-DSKF-HWR9-MQZTFRRM0XHV-low.pngFigure 4-11 LLC Converter Output Ripple, 30 VIN, Maximum Load