Patent ID: 8008897

Claim:
A boost converter, comprising: a low voltage controller integrated circuit (IC) mounted to a first die pad; an external high voltage, vertical, discrete field effect transistor (FET) mounted to a second die pad, the external high voltage vertical discrete FET having a gate coupled to the low voltage controller IC and a bottom drain facing and in electrical contact with the second die pad; and an external high voltage Schottky diode mounted to the second die pad, the external high voltage Schottky diode having an anode facing and in electrical contact with the second die pad, whereby the anode of the Schottky diode is coupled to a drain of the high voltage, vertical, discrete FET through the second die pad; wherein the IC, FET, and Schottky diode are formed on separate semiconductor chips; wherein the low voltage controller IC and the external high voltage vertical discrete FET are configured as part of a boost converter circuit that boosts an input voltage to a higher output voltage, wherein the first and second die pads are separate die pads that are electrically isolated from each other and are packaged together side by side in a single package.