The SINFET—A Schottky Injection MOS-Gated Power Transistor

Johnny K.O. Sin, C. Andre T. Salama, Li Zhang Hou*

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

23 Citations (Scopus)

Abstract

A new MOS-gated power device, the Schottky injection FET (SINFET), is described in this paper. The device offers 6 times higher current handling capability than conventional n-channel power LDMOS transistors of comparable size and voltage capability and still maintains a comparable switching speed. The low on-resistance is obtained by conductivity modulation of the high-resistivity n- drift region using a Schottky injector. Since only a small number of minority carriers are injected, the speed of the device is not degraded substantially and high latchup resistance is achieved. Breakdown voltages and specific on-resistance observed on typical devices are 170 V and 0.01 Ω · cm2, respectively. Gate-turn off times are of the order of 30 ns. Two-dimensional simulation and experimental results comparing the SINFET with the LDMOST and lateral insulated gate transistor (LIGT) are presented.

Original languageEnglish
Pages (from-to)1940-1947
Number of pages8
JournalIEEE Transactions on Electron Devices
Volume33
Issue number12
DOIs
Publication statusPublished - Dec 1986
Externally publishedYes

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