TIDT381 March   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Load Voltage Regulation
    3. 2.3 Efficiency Data
    4. 2.4 Thermal Images
    5. 2.5 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
    5. 3.5 Power-Down Sequence
    6. 3.6 PoE-to-Adapter Transient

3.1 Switching

Switching behavior is shown in the following figures.

GUID-20240102-SS0I-8LQN-BHG1-DR2NWRT7RMQZ-low.pngFigure 3-1 Voltage Drain-to-Source, Q7, 37V Input, 3A Load, Measured 69.2V Vpeak
GUID-20240102-SS0I-JNCV-XRZQ-78LCZBXWVQ95-low.pngFigure 3-3 Voltage Drain-to-Source, Q8, 37V Input, 3A Load, Measured 105.8V Vpeak
GUID-20240102-SS0I-DWGL-S7BD-VZTRVH59TVCF-low.pngFigure 3-5 Voltage Drain-to-Source, Q10, 37V Input, 3A Load, Measured 136.7V Vpeak
GUID-20240102-SS0I-JHSK-W4XQ-8LSL1J7BRLS5-low.pngFigure 3-2 Voltage Drain-to-Source, Q7, 57V Input, 3A Load, Measured 104.2V Vpeak
GUID-20240102-SS0I-TFMG-WJHZ-0DCQXRVVBDJB-low.pngFigure 3-4 Voltage Drain-to-Source, Q8, 57V Input, 3A Load, Measured 52.5V Vpeak
GUID-20240102-SS0I-0M00-FWWQ-NFWWKNTBN1RK-low.pngFigure 3-6 Voltage Drain-to-Source, Q10, 57V Input, 3A Load, Measured 110.0V Vpeak