公开(公告)号：US20240248501A1

公开(公告)日：2024-07-25

申请号：US18488975

申请日：2023-10-17

Applicant: Richtek Technology Corporation

Inventor： Chien-Yu Chen ,  Li Lin ,  Cheng-Kuang Lin ,  Yue-Hung Tang ,  Ting-Wei Liao ,  Shao-Hung Lu

IPC: G05F1/567 ,  G05F1/46 ,  G05F3/24

CPC classification number: G05F1/567 ,  G05F1/468 ,  G05F3/245

Abstract: A reference voltage generator circuit includes: a first transistor and a second transistor, wherein the first transistor and the second transistor are coupled with each other and are located on a substrate, wherein the first transistor has a first conduction threshold voltage and a first rated voltage, wherein the second transistor has a second conduction threshold voltage and a second rated voltage, wherein the first rated voltage is higher than the second rated voltage; wherein the reference voltage generator circuit is configured to generate a bandgap reference voltage with temperature compensation according to a difference between the first conduction threshold voltage and the second conduction threshold voltage.