TIDT434 February   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 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Short-Circuit Protection
    4. 3.4 Load Transients
    5. 3.5 Start-up Sequence

3.3 Short-Circuit Protection

Figure 3-6 and Figure 3-7 show the switch node, output voltage, and current during a short-circuit event. The input voltage was 100V for both figures. Channel 1 shows the switch node, channel 2 shows the output voltage, and channel 4 shows the output current.

PMP23552 Operation Upon Application of Short Circuit, 100VINFigure 3-6 Operation Upon Application of Short Circuit, 100VIN
PMP23552 Operation During Sustained Short Circuit, 100VINFigure 3-7 Operation During Sustained Short Circuit, 100VIN