A novel N-channel MOSFET featuring an integrated schottky and no internal P-N junction

被引:0
|
作者
Mirchandani, A [1 ]
Thapar, N [1 ]
Boden, T [1 ]
Sodhi, R [1 ]
Kinzer, D [1 ]
机构
[1] Int Rectifier Corp, El Segundo, CA 90245 USA
来源
ISPSD '04: PROCEEDINGS OF THE 16TH INTERNATIONAL SYMPOSIUM ON POWER SEMICONDUCTOR DEVICES & ICS | 2004年
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a new MOSFET structure with an integrated Schottky junction in every unit cell and with no p-n junction in the current flow path. This eliminates the injected reverse recovery charge while providing a low forward voltage drop anti-parallel Schottky diode. Gate controlled current conduction in the on-state takes place through an accumulated channel region formed along the trench sidewall. A specific on-resistance of 10.6mOmega-mm(2) and 7.6mOmega-mm(2) for a gate bias of 4.5V and 10V respectively has been achieved, with a forward blocking voltage of over 30V. This coupled with no reverse recovery charge makes the device very suitable for high frequency DC-DC converter applications.
引用
收藏
页码:405 / 408
页数:4
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