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

Switching

The switching behavior of both converters is shown in the following figures. As in previous sections, the two converters were evaluated separately.

GUID-20210720-CA0I-SRF6-TM9S-FC5FRKCXGWFF-low.pngFigure 4-1 Boost Converter Switch Node, 6 VIN, Light Load
GUID-20210720-CA0I-WC8R-KJP2-SQ6WZ2PC8LKL-low.pngFigure 4-2 Boost Converter Switch Node, 6 VIN, Maximum Load
GUID-20210720-CA0I-THGW-MHPZ-BVC4JTNGLWHL-low.pngFigure 4-3 Boost Converter Switch Node, 28 VIN, Light Load
GUID-20210720-CA0I-G8VL-G1WD-81PPR7TBHMCX-low.pngFigure 4-4 Boost Converter Switch Node, 28 VIN, Maximum Load
GUID-20210720-CA0I-0XKT-HGTD-QQKMT1PNFPBG-low.pngFigure 4-5 LLC Converter Primary Side Switch Node, 30 VIN, No Load
GUID-20210720-CA0I-PSWQ-T5MF-LWNVC741QTW2-low.pngFigure 4-6 LLC Converter Primary Side Switch Node, 30 VIN, 50% Load
GUID-20210720-CA0I-PBXR-1P3C-X8HLKLRKF2FL-low.pngFigure 4-7 LLC Converter Primary Side Switch Node, 30 VIN, Max Load
GUID-20210720-CA0I-JQGM-TP6L-QGSW0KTBHQZX-low.png Figure 4-8 LLC Converter Secondary Side Resonant Capacitor, 30 VIN, Max Load