A Simple Method to Analyze the Electrical Properties of High Power Lateral Double-Diffused Metal-Oxide-Semiconductor Transistors

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概要

• 論文の詳細を見る

• In this paper a new approach of obtaining the electrical properties of the power lateral double-diffused metal-oxide-semiconductor field-effect transistors (LDMOSFET) is proposed. The device is regarded as a junction field-effect transistor (JFET), the N-well region, in series with an active metal-oxide-semiconductor field-effect transistors (MOSFET). The I-V relation of these two parasitic FETs were first separately obtained from actual device structure and then combined together to generate the I-V relation for the power MOSFET. This model also explains why the transconductance has a maximum value at mediate gate voltage and decreases drastically with higher gate voltages. The simulation program, MEDICI, verifies the accuracy of this analytical method. Since the model contains only two parasitic devices, it affords a fast and easy method to analyze the I-V characteristic of power MOSFET.

• 社団法人応用物理学会の論文
• 1999-02-15

著者

• Huang T-y

  National Tsing Hua Univ. Hsinchu Twn

• Gong Jeng

  Department Of Electrical Engineer National Tsing Hua University

• Huang Tsung-yi

  Department Of Electrical Engineer National Tsing Hua University

• Dong Jeng

  Department of Electrical Engineer, National Tsing Hua University

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