An analytical model for the power bipolar-MOS transistor

Di Son Kuo*, Chen-Ming Hu, Steven P. Sapp


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32 引文 斯高帕斯(Scopus)


This paper presents an analytical model for the I-V characteristics of the bipolar-MOS power transistor, also known as IGT or COMFET. Good agreement between this model and experiments is found over a wide range of carrier lifetime and current density. The predicted trade-off between the forward voltage drop and device turn-off time (0.4-10 μsec) has been verified by experiment. For even shorter switching time, the model predicts only a moderate increase in VF. Adding a more heavily doped buffer epitaxial layer is shown to only slightly increase VF but offers several important benefits. The comparison between n-channel and p-channel devices is discussed using the model and the forward voltage drops for the two types of devices are shown to differ by only a small percentage in spite of the large difference in electron and hole mobilities.

頁(從 - 到)1229-1237
期刊Solid State Electronics
出版狀態Published - 1 1月 1986


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