TIDT348 august   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching Waveforms
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

Switching Waveforms

The following images illustrate the switching waveforms. The channels are identified with the following:

C3 = Q2 Vds, C2 = 12-V output current

GUID-20230809-SS0I-CS7T-1866-SWWMTF54SKX2-low.png Figure 3-1 115-Vac Input, 12-V Loaded to 1.5 A
GUID-20230809-SS0I-X6GV-MJKK-B92K8X5TNHS7-low.png Figure 3-2 115-Vac Input, 12-V Loaded to 0.5 A
GUID-20230809-SS0I-WJVK-KM4L-DXQNFPNFDRJR-low.png Figure 3-3 230-Vac Input, 12-V Loaded to 1.5 A
GUID-20230809-SS0I-TPGB-BQ6S-457QHHJPNL0B-low.png Figure 3-4 230-Vac Input, 12-V Loaded to 0.5 A