TIDT205 February   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Considerations
    3. 2.3 Dimensions
  3. 3Testing and Results
    1. 3.1 Efficiency Graphs
    2. 3.2 Efficiency Data
    3. 3.3 Load Regulation
    4. 3.4 Thermal Image
    5. 3.5 Bode Plots
    6. 3.6 Conducted Emissions Testing (CISPR 25, Class 5)
  4. 4Waveforms
    1. 4.1 Switching
    2. 4.2 Output Voltage Ripple
    3. 4.3 Load Transients
    4. 4.4 Start-up Sequence
    5. 4.5 Termination Sequence

3.6 Conducted Emissions Testing (CISPR 25, Class 5)

The test was carried out with all the rails loaded. The design passes CISPR 25 Class 5 with all the rails loaded. The frequency sweep is from 150 kHz to 108 MHz.

GUID-20210205-CA0I-PVBM-3PZK-LHQ26XK5PWZK-low.jpgFigure 3-17 Conducted Emissions (CISPR25, Class 5) Results