TIDT295 August   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 VOUT Regulation
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Start-up Waveforms
    2. 3.2 Output Voltage Ripple and Noise
    3. 3.3 Load Dynamic
    4. 3.4 Switching Node
    5. 3.5 Short-Circuit Protection

3.5 Short-Circuit Protection

Start-up behavior is shown in the following figures.

The waveform channel key is as follows: Pink: SW1-VBUS, Light blue: SW2-VBAT, Blue: VBAT, Green: Iout

GUID-20220812-SS0I-21C7-N6RC-SCTRXTZ3LQQ3-low.pngFigure 3-23 VBUS = 20 V, VBAT Short-Circuit Protection and Auto Recovery
GUID-20220812-SS0I-LWN5-D7MB-5QN3G124NLPL-low.pngFigure 3-24 Switching Waveform During Short-Circuit Period