TIDT184 December   2021

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Test Setup
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-Up Sequence

3.3 Start-Up Sequence

Start-up behavior is shown in the following figures at 17-V input and 16-V battery voltage. CH1 is the VBUS, CH2 is the VBDC, CH3 is the VSYS, CH4 is the ICHG.

GUID-20211121-SS0I-W2KP-WDBZ-PGJD93MMCTGP-low.pngFigure 3-4 Start-Up 1
GUID-20211121-SS0I-RQWZ-TL1J-5QJ4G44PHKC7-low.pngFigure 3-5 Start-Up 2