公开(公告)号：US20140266314A1

公开(公告)日：2014-09-18

申请号：US14204851

申请日：2014-03-11

Applicant: Analog Devices Technology

Inventor： Santiago Iriarte ,  John A. Cleary

IPC: H03K5/24

CPC classification number: H03K5/2472

Abstract: A power supply monitoring circuit for monitoring a voltage at a power supply node compared to a reference node, the power supply monitoring circuit comprising a first field effect transistor and first and second voltage dropping components arranged in current flow communication between the power supply node and the reference node and each having first and second nodes, and wherein a first node of the first voltage dropping component is connected to one of the first and second nodes of the field effect transistor, and a gate of the field effect transistor is connected to the second node of the first voltage dropping component, and an output signal is taken from a connection made with the first field effect transistor.

Abstract translation: 一种电源监视电路，用于监视与参考节点相比的电源节点处的电压，所述电源监视电路包括第一场效应晶体管和第一和第二降压组件，所述第一和第二降压组件以电流节点和 参考节点，并且每个具有第一和第二节点，并且其中第一降压部件的第一节点连接到场效应晶体管的第一和第二节点中的一个，并且场效应晶体管的栅极连接到第二节点 第一降压部件的节点，并且从与第一场效应晶体管制成的连接取得输出信号。