TIDT408A December   2024  – May 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 Dimensions
    4. 1.4 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Voltage Regulation
    3. 2.3 No Load Power Consumption
    4. 2.4 Efficiency Data
    5. 2.5 Thermal Images
    6. 2.6 EMI
  7. 3Waveforms
    1. 3.1 Start-Up and Shut Down Waveforms
    2. 3.2 Voltage Transition
    3. 3.3 Switching Waveform
      1. 3.3.1 Voltage Stress at Normal Operation
      2. 3.3.2 Voltage Stress at Start-Up
      3. 3.3.3 VCC Self-Bias Voltage
      4. 3.3.4 X Cap Discharge
    4. 3.4 Ripple and Noise
    5. 3.5 Load Transients
    6. 3.6 Overcurrent Protection
    7. 3.7 Short-Circuit Protection
    8. 3.8 Overvoltage Protection at AC-DC Output

3.3.4 X Cap Discharge

Figure 3-38 and Figure 3-39 show the X cap discharge at 230VAC and 264VAC, respectively.

PMP41117 X Cap Discharge, 230VAC, 50Hz, 5V, 1A Load, 44ms X Cap Discharge TimeFigure 3-38 X Cap Discharge, 230VAC, 50Hz, 5V, 1A Load, 44ms X Cap Discharge Time
PMP41117 X Cap Discharge, 264VAC, 50Hz, 5V, 1A Load, 55ms X Cap Discharge TimeFigure 3-39 X Cap Discharge, 264VAC, 50Hz, 5V, 1A Load, 55ms X Cap Discharge Time