公开(公告)号：US20240118733A1

公开(公告)日：2024-04-11

申请号：US18536328

申请日：2023-12-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： INSUNG KIM ,  JOOMYOUNG KIM ,  WOOSEOK KIM ,  TAEIK KIM

IPC: G06F1/26 ,  G05F1/56 ,  G06F1/04 ,  H03K3/037

CPC classification number: G06F1/26 ,  G05F1/56 ,  G06F1/04 ,  H03K3/037 ,  G05F1/575

Abstract: An electronic device including: a regulator circuit configured to output a regulated voltage based on a reference voltage and a feedback voltage; and an oscillator configured to generate an output frequency signal based on a reference frequency signal and the regulated voltage output from the regulator circuit, wherein the regulator circuit includes: a feedback loop configured to output the regulated voltage based on a difference between the reference voltage and the feedback voltage; a first capacitor; a precharge circuit connected to the feedback loop, and configured to charge the first capacitor with a second voltage which is based on a first voltage; a first switch configured to connect the precharge circuit with the first capacitor; and a second switch configured to connect the first capacitor with the feedback loop.

公开(公告)号：US20220107675A1

公开(公告)日：2022-04-07

申请号：US17394520

申请日：2021-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： INSUNG KIM ,  JOOMYOUNG KIM ,  WOOSEOK KIM ,  TAEIK KIM

IPC: G06F1/26 ,  G05F1/56 ,  H03K3/037 ,  G06F1/04

Abstract: An electronic device including: a regulator circuit configured to output a regulated voltage based on a reference voltage and a feedback voltage; and an oscillator configured to generate an output frequency signal based on a reference frequency signal and the regulated voltage output from the regulator circuit, wherein the regulator circuit includes: a feedback loop configured to output the regulated voltage based on a difference between the reference voltage and the feedback voltage; a first capacitor; a precharge circuit connected to the feedback loop, and configured to charge the first capacitor with a second voltage which is based on a first voltage; a first switch configured to connect the precharge circuit with the first capacitor; and a second switch configured to connect the first capacitor with the feedback loop.