TIDT200 September   2020

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Design Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Load Regulation
    4. 2.4 Thermal Images
    5. 2.5 EMI
  4. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-up Sequence
    5. 3.5 Undervoltage Protection

2.5 EMI

The conducted emissions are tested to the CISPR 25 class 5 standards. The CISPR 25 class 5 compliance was achieved without a common-mode choke or shielding. EMI is shown in the following figure.

GUID-20200821-CA0I-QTT3-2J6C-CLN9X823NQ1R-low.png
Green: Peak Detection ResultPurple: Average Detection Result

Red: CISPR 25 Class 5 Peak Limits

Blue: CISPR 25 Class 5 Average Limits

Figure 2-5 EMI performance from 150kHz to 108MHz.