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

3.2 Voltage Transition

The following waveforms show the voltage transition per USB PD emulator request.

CH1: VAC Input, CH2:VOUT, CH3: Vout_ACDC, CH4: Iout

PMP41117 115VAC, 5V to 9V, 15V, 20V Voltage Transition at Full LoadFigure 3-5 115VAC, 5V to 9V, 15V, 20V Voltage Transition at Full Load
PMP41117 115VAC, 20V to 5V Voltage Transition at Open LoadFigure 3-7 115VAC, 20V to 5V Voltage Transition at Open Load
PMP41117 115VAC, 20V to 5V Voltage Transition at Full LoadFigure 3-9 115VAC, 20V to 5V Voltage Transition at Full Load
PMP41117 115VAC, 20V to 15V, 9V, 5V Voltage Transition at Full LoadFigure 3-6 115VAC, 20V to 15V, 9V, 5V Voltage Transition at Full Load
PMP41117 115VAC, 5V to 20V Voltage Transition at Full LoadFigure 3-8 115VAC, 5V to 20V Voltage Transition at Full Load
PMP41117 115VAC, 20V to 5V Voltage Transition at Open LoadFigure 3-10 115VAC, 20V to 5V Voltage Transition at Open Load