TIDT257A February   2022  – October 2022

 

  1.   Description
  2.   Features
  3.   Application
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
      1. 2.2.1 THD Optimization
    3. 2.3 Thermal Images
      1. 2.3.1 Low-Side GaN Junction Temperature
    4. 2.4 Thermal Mechanical Design
      1. 2.4.1 Design Parameters
      2. 2.4.2 Thermal Resistance Calculation
      3. 2.4.3 Heat-Sink Diagrams
    5. 2.5 EMI
  6. 3Waveforms
    1. 3.1 AC Drop
    2. 3.2 Load Transients
    3. 3.3 Start-Up Sequence

3.1 AC Drop

Test data in the following images are taken from PMP23031 single-phase CCM TTPL PFC.

C1 = IAC, C2 = BB Bypass, C3 = VBB

GUID-20220920-SS0I-GBQQ-N88W-JVMFN0KMJJLW-low.png Figure 3-1 230 VAC, 3 kW, 10-ms Drop, Return at 90 Degrees
GUID-20220920-SS0I-CMFN-96BL-GDK2CCTFX33W-low.png Figure 3-2 230 VAC, 3 kW, 10-ms Drop, Return at 90 Degrees (Zoom)