GaN High Electron Mobility Transistor (HEMT)
Depletion-mode basic HEMT
– Normally-on is a problem for power electronics
2 methods to achieve normally-off
– Cascode
– Enhancement-mode
GaN cascode characteristics
GaN enhancement-mode characteristics
GaN application summary
– Hard-switching
– Soft-switching & resonant
APEC 2015 Seminar S17
23