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

3.1 Switching

Switching behavior is shown in the following figures at 17-V input and 16-V battery voltage, and ICHG = 2.5-A. CH3 is the switch node (SW1) voltage. CH4 is the charging current (ICHG).

GUID-20211121-SS0I-0W35-HFQT-071C12PGN1J8-low.pngFigure 3-1 Switching 1