TIDT234 November   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency and Power Loss Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  6. 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 Conducted EMI Performance

Conducted EMI Performance

The following set of figures show the conducted EMI performance of the revision B PCB running at FPWM modes at 24-V, 30-V, and 36-V inputs, at 1.2-A load conditions.

GUID-20210422-CA0I-H64T-SJXX-DHRB05H26CXW-low.jpgFigure 3-19 Conducted EMI Performance, 24-V Input, Low-Frequency Range
GUID-20210422-CA0I-6K0G-NKJ5-DD4J8QJDZ5PP-low.jpgFigure 3-20 Conducted EMI Performance, 24-V Input, High-Frequency Range
GUID-20210422-CA0I-BRHZ-WL7P-QDHRRCTJH9RM-low.jpgFigure 3-21 Conducted EMI Performance, 30-V Input, Low-Frequency Range
GUID-20210422-CA0I-DNVV-D9TW-4SCQPMHJ1JHR-low.jpgFigure 3-22 Conducted EMI Performance, 30-V Input, High-Frequency Range
GUID-20210422-CA0I-FV19-NWBZ-KSN8N3CWCT5S-low.jpgFigure 3-23 Conducted EMI Performance, 36-V Input, Low-Frequency Range
GUID-20210422-CA0I-MJP2-BD0P-NDN5GXML0GRZ-low.jpgFigure 3-24 Conducted EMI Performance, 36-V Input, High-Frequency Range