Patent ID: 8237493

Claim:
A semiconductor device formed on one package and including a rectification MOSFET, a commutation MOSFET, and a driver IC for driving the rectification MOSFET and the commutation MOSFET, the semiconductor device comprising: an input terminal (Vin); an output terminal (Vout); a ground terminal (Gnd); a metal plate that laminates the rectification MOSFET and the commutation MOSFET; a gate terminal of the rectification MOSFET; a gate terminal of the commutation MOSFET; and a terminal electrically connected to the output terminal (Vout), wherein the gate terminal of the rectification MOSFET, the gate terminal of the commutation MOSFET, and the terminal electrically connected to the output terminal (Vout) are provided on the driver IC side of the semiconductor device.