Silicon
1.1 eV
Bandgap (Energy Barrier)
↓
About 65 kHz
Standard Switching Frequency
↓
Requires Larger Transformers and Magnetic Components
Gallium Nitride
3.4 eV
Bandgap (Energy Barrier)
↓
130~300 kHz
Achievable Switching Frequency
↓
Significantly Reduced Transformers and Magnetic Components