TIDT237 December   2022 TPS73801-SEP

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
  5. 2Testing and Results
    1. 2.1 Voltage Regulation
    2. 2.2 Efficiency Graphs
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Output Voltage Ripple
    2. 3.2 Current Limit
    3. 3.3 Load Transients
    4. 3.4 Start-up and Shutdown
    5. 3.5 Thermal Shutdown

3.5 Thermal Shutdown

The following figures show thermal shutdown and recovery as the output voltage collapses and resets.

GUID-20210708-CA0I-VKF5-P102-7DRBRXVWP5VB-low.pngFigure 3-70 Thermal Shutdown (Case Temperature = 151°C)
GUID-20210708-CA0I-QL8K-7FFL-S1RXSKNJBV4G-low.pngFigure 3-71 Thermal Recovery

Thermal shutdown occurred at 162.6°C and recovery occurred at 151°C.