Area-Efficient Fast-Speed Lateral IGBT With a 3-D n-Region-Controlled Anode

A novel lateral insulated-gate bipolar transistor (LIGBT) structure on an silicon-on-insulator (SOI) substrate is proposed and discussed. The 3-D n-region-controlled anode concept makes this new structure effectively suppress the negative-differential-resistance (NDR) regime in conducting state, and...

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Veröffentlicht in:IEEE electron device letters 2010-05, Vol.31 (5), p.467-469
Hauptverfasser: Chen, Wensuo, Zhang, Bo, Li, Zhaoji
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Zhang, Bo
Li, Zhaoji
description A novel lateral insulated-gate bipolar transistor (LIGBT) structure on an silicon-on-insulator (SOI) substrate is proposed and discussed. The 3-D n-region-controlled anode concept makes this new structure effectively suppress the negative-differential-resistance (NDR) regime in conducting state, and what is more, during turn- off state, there are two effective paths for electron extraction, and the switching speed is very fast. As simulation results show, without sacrificing the high current-handling capability, the ratios of turn-off times for the proposed structure compared to that of the segment-anode-n-p-n-LIGBT presented earlier and the conventional LIGBT are 1 : 1.57 and 1 : 35.58, respectively. Due to the 3-D anode structure, the proposed device has efficient area usage and can be fabricated by the conventional SOI high-voltage IC process, so it is a promising device used in power ICs.
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The 3-D n-region-controlled anode concept makes this new structure effectively suppress the negative-differential-resistance (NDR) regime in conducting state, and what is more, during turn- off state, there are two effective paths for electron extraction, and the switching speed is very fast. As simulation results show, without sacrificing the high current-handling capability, the ratios of turn-off times for the proposed structure compared to that of the segment-anode-n-p-n-LIGBT presented earlier and the conventional LIGBT are 1 : 1.57 and 1 : 35.58, respectively. Due to the 3-D anode structure, the proposed device has efficient area usage and can be fabricated by the conventional SOI high-voltage IC process, so it is a promising device used in power ICs.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LED.2010.2043638</doi><tpages>3</tpages></addata></record>
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subjects 3-D n-region-controlled anode
Anodes
Conduction
Devices
Electrons
Extraction
Forward drop
Insulated gate bipolar transistors
Insulation
Integrated circuits
negative differential resistance (NDR)
Power integrated circuits
segment-anode-n-p-n-LIGBT (SA-NPN-LIGBT)
shorted-anode lateral insulated-gate bipolar transistor (SA-LIGBT)
Silicon on insulator technology
Simulation
Substrates
Switches
Switching
Three dimensional
turn- off time
Voltage
title Area-Efficient Fast-Speed Lateral IGBT With a 3-D n-Region-Controlled Anode
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