Samsung Electronics Co., Ltd.

Jeongkwang Lee

Youngho Jung

Takahiro Nomiyama

Ikhwan Kim

Hyoungseok Oh

Jungwook Heo

Kwang Chan Lee

Hojun Yu

A voltage dividing capacitor circuit includes a first capacitor voltage divider and a second capacitor voltage divider. The first capacitor voltage divider is connected to a second voltage node, the first capacitor voltage divider includes a first flying capacitor and a plurality of first switches, the second voltage node coupled to a second load capacitor, the plurality of first switches connected in series between a first voltage node and a ground node, the first voltage node coupled to a first load capacitor, and the ground node coupled to a ground voltage. The second capacitor voltage divider is connected between the first voltage node and the second voltage node, and includes a second flying capacitor and a plurality of second switches, the plurality of second switches connected in series between the first voltage node and the second voltage node.

Voltage dividing capacitor circuits, supply modulators and wireless communication devices

A voltage dividing capacitor circuit includes first capacitor through third capacitor dividers and first through fourth load capacitors. The first capacitor divider includes a first flying capacitor and a plurality of first switches connected in series between a first voltage node and a ground node, and is connected to a second voltage node. The second capacitor divider is connected to the first voltage node, the second voltage node, and a first intermediate voltage node. The third capacitor divider is connected to the second voltage node, the ground voltage node, and a second intermediate voltage node. The first through fourth load capacitors are connected in series between the first voltage node and the ground node. The second capacitor divider includes a second flying capacitor and a plurality of second switches connected in series between the first voltage node and the second voltage node.

Voltage dividing capacitor circuits and supply modulators including the same

A voltage converter including first to fourth switches between a first voltage node and ground, fifth to eighth switches between the first voltage node and the ground, a first floating capacitor between a first node between the first and second switches and a second node between the third and fourth switches, a second floating capacitor between a third node between the fifth and sixth switches and a fourth node between the seventh and eighth switches, a ninth switch between a second voltage node and a center node, a first inductor between the second node and a third voltage node, a center capacitor between the center node and the ground, a tenth switch between the second voltage node and the third voltage node, a first capacitor between the third voltage node and the ground, and a second capacitor between the second voltage node and the ground may be provided.

Voltage converter

Growing community of inventors

Hwaseong-si, South Korea

Jeongkwang Lee