公开(公告)号：US20230231523A1

公开(公告)日：2023-07-20

申请号：US18085579

申请日：2022-12-21

Applicant: MEDIATEK INC.

Inventor： Yi-Wei Huang ,  Sung-Han Wen ,  Kuan-Ta Chen

IPC: H03F3/217

CPC classification number: H03F3/217

Abstract: The present invention provides an amplifier system including an audio amplifier and a power converter. The audio amplifier is supplied by at least a first supply voltage and a second supply voltage, and the audio amplifier is configured to receive an audio signal to generate an output signal. The power converter includes only one inductor, and is configured to generate the first supply voltage and the second supply voltage according to an input voltage.