US 12,143,008 B2
Voltage dividing capacitor circuits and supply modulators including the same
Jeongkwang Lee, Hwaseong-si (KR); Ikhwan Kim, Hwaseong-si (KR); Takahiro Nomiyama, Suwon-si (KR); and Youngho Jung, Seoul (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Mar. 23, 2022, as Appl. No. 17/702,163.
Claims priority of application No. 10-2021-0107126 (KR), filed on Aug. 13, 2021.
Prior Publication US 2023/0050531 A1, Feb. 16, 2023
Int. Cl. H02M 3/07 (2006.01); H02M 1/00 (2006.01); H02M 3/158 (2006.01); H03F 1/02 (2006.01); H03F 3/195 (2006.01); H03F 3/24 (2006.01)
CPC H02M 3/07 (2013.01) [H02M 1/009 (2021.05); H02M 3/158 (2013.01); H03F 1/0227 (2013.01); H03F 3/195 (2013.01); H03F 3/245 (2013.01); H03F 2200/102 (2013.01); H03F 2200/451 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A voltage dividing capacitor circuit comprising:
a first capacitor divider including a first flying capacitor and a plurality of first switches, the first capacitor divider connected to a first voltage node, a ground node, and a second voltage node between the first voltage node and the ground node, the plurality of first switches being connected in series between the first voltage node and the ground node, the ground node coupled to a ground voltage;
a second capacitor divider connected to the first voltage node, the second voltage node, and a first intermediate voltage node between the first voltage node and the second voltage node, the second capacitor divider including a second flying capacitor and a plurality of second switches, the plurality of second switches being connected in series between the first voltage node and the second voltage node;
a third capacitor divider connected to the second voltage node, the ground node, and a second intermediate voltage node between the second voltage node and the ground node; and
a first load capacitor, a second load capacitor, a third load capacitor and a fourth load capacitor which are connected in series between the first voltage node and the ground node.