CUED Publications database

Superjunction IGBT filling the gap between SJ MOSFET and ultrafast IGBT

Bauer, F and Nistor, I and Mihaila, A and Antoniou, M and Udrea, F (2012) Superjunction IGBT filling the gap between SJ MOSFET and ultrafast IGBT. IEEE Electron Device Letters, 33. pp. 1288-1290. ISSN 0741-3106

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Abstract

In this letter, we report E off-versus-V ce tradeoff curves for vertical superjunction insulated-gate bipolar transistors (SJ IGBTs), exhibiting unusual inverse slopes dE off/dV ce > 0 in a transition region between purely unipolar and strongly bipolar device behaviors. This effect is due to the action of p-pillar hole current when depleting the drift layer of SJ IGBTs during turnoff and the impact of current gain on the transconductance. Such SJ IGBTs surpass by a very significant margin their superjunction MOSFET counterparts in terms of power-handling capability and on-state and turnoff losses, all at the same time. © 2012 IEEE.

Item Type: Article
Uncontrolled Keywords: Bipolar-to-unipolar transition superjunction insulated-gate bipolar transistor (SJ IGBT) superjunction MOSFET (SJ MOSFET)
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:08
Last Modified: 08 Dec 2014 02:30
DOI: 10.1109/LED.2012.2203092