TIDT306 October   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 Test Setup
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs of PFC Stage
    2. 2.2 Efficiency Data of PFC Stage
    3. 2.3 Efficiency Graphs of LLC Stage
    4. 2.4 Efficiency Data of LLC Stage
    5. 2.5 Thermal Images
  6. 3Waveforms
    1. 3.1 Steady State
    2. 3.2 Switching
    3. 3.3 Load Transients

3.1 Steady State

Steady state waveforms are shown in the following images.

GUID-20221014-SS0I-RXS1-SPPB-9LJTQRSPTMBF-low.png
CH1: VBUS, CH3: VDS, CH4: Inductor Current
Figure 3-1 PFC Stage – 230 VAC, 1.6 kW
GUID-20221014-SS0I-LCBQ-HS1C-6VBNNJPXNJ0R-low.png
CH1: SR VGS, CH3: PRI MOS VDS, CH4: Resonant Tank Current
Figure 3-3 LLC Stage – 1.6 kW
GUID-20221014-SS0I-N7R1-BJTV-XNZBWDF8LHCJ-low.png
CH1: VBUS, CH3: VDS, CH4: Inductor Current
Figure 3-2 Zoom-in PFC Stage– 230 VAC, 1.6 kW