TIDT398 February   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency and Loss Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
    5. 2.5 Conducted Emissions (CISPR 25) Pre-Compliance Scans
  7. 3Waveforms
    1. 3.1 Output Voltage Ripple
    2. 3.2 Load Transients
    3. 3.3 Start-Up Sequence

2.5 Conducted Emissions (CISPR 25) Pre-Compliance Scans

Conducted EMI is shown in Figure 2-11 and Figure 2-12.

PMP23452 Precompliance Scan on Model t1 with Coilcraft XGL1350 InductorsFigure 2-11 Precompliance Scan on Model t1 with Coilcraft XGL1350 Inductors
PMP23452 Precompliance Scan on Model t4 with Cyntec VCUD128T InductorsFigure 2-12 Precompliance Scan on Model t4 with Cyntec VCUD128T Inductors