Analysis of a high-voltage merged p-i-n/Schottky (MPS) rectifier

A new operating mode for the merged p-i-n/Schottky (MPS) rectifier structure is analyzed. It is shown that these devices exhibit superior forward-drop and turn-off-speed characteristics. As an example, for the same forward drop, the 400-V MPS rectifier is an order of magnitude faster in switching speed when compared to a p-i-n rectifier. In addition, for equal switching speed, the MPS rectifier has much lower forward drop and leakage current.