This paper demonstrates that the on-resistance of a power MOSFET decreases significantly when the operating temperature decreases. The decrease in on-resistance under cryogenic temperature allows the device to operate at a much higher power and current condition. Also, it is demonstrated that the MOSFET device can be effectively kept at cryogenic temperature by spray cooling with liquid nitrogen. Over 80 W of heat generated can be removed continuously with spray cooling.
Performance Characteristics of MOSFETs Operating at High Power
Sae Technical Papers
Power Systems Conference ; 2000
2000-10-31
Aufsatz (Konferenz)
Englisch
Performance Characteristics of MOSFETs Operating at High Power
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