Patent ID: 6432750
Filing Date: 2002-08-13
Classification: H01L

Abstract:
A power module package comprising:a lead frame having a first surface, to which components for a power circuit and a control circuit are attached and on the center of which a down set is provided, and a second surface, to which a heat sink is attached, and edges on which external terminals are provided; a heat sink having one surface attached directly to the second surface of the lead frame projected by the down set, and the other surface exposed to the outside of a power module package, the heat sink being formed of an insulating material having good heat transfer properties; components for the power circuit which are mounted on a portion of the first surface of the lead frame on which the down set is formed; components for the control circuit which are mounted on the first surface of the lead frame; and an epoxy molding compound which encapsulates the lead frame and the heat sink excluding the external terminals of the lead frame and the one side of the heat sink.