TIDT257A
February 2022 – October 2022
Description
Features
Application
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Considerations
1.3
Dimensions
2
Testing and Results
2.1
Efficiency Graphs
2.2
Efficiency Data
2.2.1
THD Optimization
2.3
Thermal Images
2.3.1
Low-Side GaN Junction Temperature
2.4
Thermal Mechanical Design
2.4.1
Design Parameters
2.4.2
Thermal Resistance Calculation
2.4.3
Heat-Sink Diagrams
2.5
EMI
3
Waveforms
3.1
AC Drop
3.2
Load Transients
3.3
Start-Up Sequence
2.1
Efficiency Graphs
Conditions
Frequency: 65 kHz
GaN Slew Rate: 100 V/ns
Output: 380 V
PFC Inductor: PAL6585.254NL
Power analyzer: WT3000E
Relay and BB bypass FETs shorted
Auxiliary supply not included
Figure 2-1
Efficiency Graph