TIDT421 November   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Suggested Equipment
    3. 1.3 General Texas Instruments High Voltage Evaluation (TI HV EMV) User Safety Guidelines
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Power Factor (PF) and Input Current Total Harmonic Distortion (iTHD)
    3. 2.3 Efficiency, PF, and THD Data
    4. 2.4 Standby Power
    5. 2.5 Thermals
    6. 2.6 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

2.2 Power Factor (PF) and Input Current Total Harmonic Distortion (iTHD)

Graphs of PF and iTHD are shown in Figure 2-3 and Figure 2-4.

PMP23454 Power FactorFigure 2-3 Power Factor
PMP23454 Input Current THDFigure 2-4 Input Current THD