公开(公告)号：US20240333126A1

公开(公告)日：2024-10-03

申请号：US18193661

申请日：2023-03-31

Applicant: Novatek Microelectronics Corp.

Inventor： Zhe Hui Lin ,  Wei-Ling Chen ,  Lan-Shan Cheng

IPC: H02M1/00 ,  H02M3/158

CPC classification number: H02M1/0025 ,  H02M3/158

Abstract: The invention provides a feedback control device and a feedback control method thereof. The feedback control device includes an enhancing circuit and a comparator. The enhancing circuit receives a feedback voltage corresponding to an output voltage of a DC-to-DC converter. In an embodiment, the enhancing circuit generates an enhanced feedback voltage based on the feedback voltage, and the comparator uses a comparison result between a reference voltage and the enhanced feedback voltage as a control signal to a feedback control terminal of the DC-to-DC converter. In another embodiment, the enhancing circuit generates an enhanced reference voltage based on the reference voltage, and the comparator uses a comparison result between the enhanced reference voltage and the feedback voltage as the control signal. In yet another embodiment, the comparator uses a comparison result between the enhanced reference voltage and the enhanced feedback voltage as the control signal.