A novel split triple-gate (STG) LDMOS is proposed to improve static-state and switching performances. The proposed structure features a triple-gate and split gates (SGs). The triple-gate consists of planar part… Click to show full abstract
A novel split triple-gate (STG) LDMOS is proposed to improve static-state and switching performances. The proposed structure features a triple-gate and split gates (SGs). The triple-gate consists of planar part and trench part, and the SGs are embedded into the drift region and isolated with slanted oxide. The triple-gate enlarges the channel width. Furthermore, the trench part of triple-gate and trench drain–source contributes to a uniform on-state current density distribution from the surface to the bottom of the drift region, resulting in a high average current density. Consequently, the specific ON-resistance (
               
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