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

2.5 Thermal Images

Thermal images are shown in the following figures under the following conditions:

  • VIN = 385 V
  • POUT = 1.6 kW
  • Ambient temperature: 25°C
  • Fan: MB60252VX-000C-A99(SUNON)
GUID-20221014-SS0I-KXSK-QNK7-7FSQLK91TLFN-low.jpgFigure 2-3 SR MOSFET
GUID-20221014-SS0I-NFLC-VKJR-BNH3QCH40H9F-low.jpgFigure 2-5 Resonant Inductor
GUID-20221014-SS0I-LNPT-QDD6-08K23KFHXKGW-low.jpgFigure 2-4 Core of Transformer
GUID-20221014-SS0I-3B1W-VG0M-P18HKZF7MM2K-low.jpgFigure 2-6 Primary GaN FET of LLC Stage