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

Start-Up Sequence

Figure 3-31 and Figure 3-32 show start-up behavior.

PMP23454 115Vac Input, No LoadFigure 3-31 115Vac Input, No Load
PMP23454 230Vac Input, No LoadFigure 3-32 230Vac Input, No Load