TIDT423A December   2024  – January 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
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Voltage Regulation
    3. 2.3 Efficiency Data
    4. 2.4 Thermal Images
    5. 2.5 EMI
  7. 3Waveforms
    1. 3.1 Start-up and Shut Down Waveform
    2. 3.2 Switching
      1. 3.2.1 Voltage Stress
    3. 3.3 VCC Self Bias
    4. 3.4 Output Voltage Ripple
    5. 3.5 Load Dynamic Response
    6. 3.6 Peak Power
    7. 3.7 Short-Circuit Protection
    8. 3.8 Output Over Voltage Protection

3.1 Start-up and Shut Down Waveform

Start-up behavior is shown in Figure 3-1 through Figure 3-4.

CH1: VAC, CH2:VOUT, CH4: Iout

PMP41145 90VAC, Soft Start-Up Time 6msFigure 3-1 90VAC, Soft Start-Up Time 6ms
PMP41145 264VAC, Soft Start-Up Time 6msFigure 3-3 264VAC, Soft Start-Up Time 6ms
PMP41145 90VAC, Shut Down, Hold Up Time 9.3msFigure 3-2 90VAC, Shut Down, Hold Up Time 9.3ms
PMP41145 264VAC, Shut Down, Hold-Up Time 87msFigure 3-4 264VAC, Shut Down, Hold-Up Time 87ms