TIDUF57
November 2023
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations {Required Topic}
2.3
Highlighted Products
2.3.1
LMG3624
3
System Design Theory
3.1
Quasi-Resonant Operation
3.2
Transformer Design
3.3
GaN FET Switching Device
3.4
Current Sense Emulation Resistor
4
Hardware, Testing Requirements, and Test Results
4.1
Required Hardware
4.1.1
Hardware
4.1.2
Testing Equipment
4.2
Test Setup
4.3
Test Results
4.3.1
Efficiency Results
4.3.2
Thermal Results
4.3.3
Switching Waveforms
4.3.4
Switching Transients
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.2
Tools and Software
5.3
Documentation Support {Required Topic}
5.4
Support Resources
5.5
Trademarks
6
About the Author
1.1
Key System Specifications
PARAMETER
VALUE
Input voltage
90 Vac–265 Vac
Output
20 V | 3.25 A, 15 V | 3 A, 9 V | 3 A, 5 V | 3 A
Maximum switching frequency
163 kHz
Minimum switching frequency
76 kHz