Development of Low On-Resistance and Low Reverse Recovery Charge Power MOSFET for Large-Capacity Communication Systems

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  • 大容量通信システムに向けた低抵抗・低逆回復電荷パワーMOSFETの開発

Abstract

<p>This paper proposes a low on-resistance and low reverse recovery charge Power MOSFET Technologies for large-capacity communication systems. We have developed 150 V class power metal-oxide-semiconductor field-effect transistor (MOSFET) products featuring low on-resistance, gate charge, and reverse recovery charge characteristics by deep trench field plate technology and lifetime control technique. On-resistance reduced by 44% and reverse recovery charge reduced by 74% compared to the previous generation product. The device achieved peak power conversion efficiency of 94.6%.</p>

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