Power VDMOSFET(Vertical Double-Diffused Metal Oxide Semiconductor Field Effect Transistor) are used extensively in recent years in various circuit applications.
Because power MOSFETs are relatively new devices and because they are still in a state of...
Power VDMOSFET(Vertical Double-Diffused Metal Oxide Semiconductor Field Effect Transistor) are used extensively in recent years in various circuit applications.
Because power MOSFETs are relatively new devices and because they are still in a state of evolution, measurement method for characterizing many of their important electrical and thermal properties are in a rudimentary phase.
One of the most important parameters of any semiconductor device is its operating temperature. The operating temperature is important in determining the reliability and operating life of the device, and it also has a strong influence on many of the electrical pramaters of the device.
The temperature variation of the drain current at a fixed bias shows both positive and negative resistance characteristics depending on the gate threhold voltage and gate to source bias voltage.
In this study, the decision method of the internal temperature measurement of power MOSFET by V_(GS) (Gate-Source Voltage) and V_(DS) (Drain-Source Voltage) methods are presented.