BUCK-BOOST CONVERTER POWER SUPPLY WITH DRIVE CIRCUIT

In an embodiment, a power supply includes first and second supply input nodes, a supply output node, first and second switch circuits, a filter circuit, and a drive circuit. The first and second supply input nodes are respectively configured to receive first and second input voltages, and the supply...

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1. Verfasser: GAO, Baocheng
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In an embodiment, a power supply includes first and second supply input nodes, a supply output node, first and second switch circuits, a filter circuit, and a drive circuit. The first and second supply input nodes are respectively configured to receive first and second input voltages, and the supply output node is configured to provide an output voltage. The first switch circuit has a first conduction node coupled to the first supply input node, a second conduction node, and a control node configured to receive a first control signal, and the filter circuit has a first node coupled to the second conduction node and has a second node. The second switch circuit has a first conduction node coupled to the second node of the filter circuit, a second conduction node coupled to the second supply input node, and a control node. And the drive circuit has an input node coupled to one of the control node of the first switch circuit and the first node of the filter circuit, and has an output node coupled to the control node of the second switch circuit.