Pop quiz: Ace our eGaN FET quiz, win a textbook by the eGaN uber guru

Question three

Same buck converter. V_IN=12 V, V_OUT=1.2 V, I_OUT=20 A, f_sw=1 Mz. If the T_d(on)=T_d(off)= 2.5 ns, calculate the both eGaN FET and MOSFET body diode power loss. We’re still at 25 C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A. MOSFET: 0.07 W   eGaN FET: 0.2 W

B. MOSFET: 0.14 W   eGaN FET: 0.4 W

C. MOSFET: 1 W   eGaN FET: 3 W

D. MOSFET: 0.19 W   eGaN FET: 0.86 W

E. MOSFET: 0.034 W   eGaN FET: 0.04 W