Patent ID: 8638078
Filing Date: 2014-01-28
Classification: H02M,H03K

Abstract:
1. A semiconductor integrated circuit device, comprising: a voltage input terminal for receiving an input voltage; an output terminal; a reference potential terminal; a first switching MOSFET having a source-drain path coupled between the voltage input terminal and the output terminal, and a gate; a second switching MOSFET having a source-drain path coupled between the output terminal and the reference potential terminal, and a gate; a first derive circuit operated by a first voltage corresponding to the input voltage and coupled to drive the gate of the first switching MOSFET; a second derive circuit operated by a second voltage and coupled to drive the gate of the second switching MOSFET; and a control circuit operated by the input voltage or a third voltage which is equal to or less than the second voltage, and coupled to receive an control signal and providing drive signals for respective gates of the first and the second drive circuits, wherein the control circuit includes wherein the first switching MOSFET, the second switching MOSFET, the first derive circuit, the second derive circuit, and the control circuit are sealed in one package.