TIDT259 March   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
  5. 2Testing and Results
    1. 2.1 Load Regulation
    2. 2.2 Efficiency Graphs
    3. 2.3 Efficiency Data
    4. 2.4 Input Power Limit
    5. 2.5 Thermal Images
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Voltage Ripple
    3. 3.3 Bode Plots
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence

3.4 Load Transients

Load transient response is shown in the following figures.

GUID-20220216-SS0I-TXFF-LZJ4-QQJRW6S4XWJZ-low.pngFigure 3-9 Output Load Step Response, 1.9-A to 3.8-A Load Step (50 to 100%), 200 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –313 mV, +287 mV
GUID-20220216-SS0I-RC8L-7GKW-XBNQFX1NPBDZ-low.pngFigure 3-10 Output Load Step Response, 380-mA to 3.4-A Load Step (10 to 90%), 500 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –617 mV, +500 mV
GUID-20220216-SS0I-JTV4-CVPF-HLNRBC0PGQFN-low.pngFigure 3-11 Output Load Step Response, 1.1-A to 2.6-A Load Step (30 to 70%), 200 mV/div, 2 A/div,
2 ms/div, Slew Rate = 250 mA/μs, Measured –267 mV, +240 mV