TIDT423 December   2024

 

  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

3.7 Short-Circuit Protection

Short-circuit protection was performed at PCB board end. Auto recovery after short was removed.

CH1: Vds primary, CH2:VCC, CH3: Vout, CH4: Iout

PMP41145 Short Circuit at PCB End and Recovery When Short Circuit Removed, 264VACFigure 3-48 Short Circuit at PCB End and Recovery When Short Circuit Removed, 264VAC