TIDT296 September   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Cross Regulation
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Start-Up
    2. 3.2 Undervoltage Protection
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Switching Node Waveforms
    6. 3.6 Short-Circuit Test
    7. 3.7 Diode Voltage Stress

3.6 Short-Circuit Test

The following images show the PMP90994 short-circuit waveforms.

GUID-20220815-SS0I-MQWP-GTZ8-VNKMJXB05S3V-low.png Figure 3-13 Output Short From Double Full-Load Operation To Short Circuit
at 12-V Input (+23-V Rail Short Circuit)
GUID-20220815-SS0I-N5ZF-THPK-202TKRSTXN3D-low.png Figure 3-14 Output Short Removed Into Double Full-Load Operation
at 12-V Input (+23-V Rail Short-Circuit Release)