MAX6339 - 四电压µP监控电路，SOT封装

MAX6339是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX6339是四电压µP监控电路，SOT封装，本站介绍了MAX6339的封装应用图解、特点和优点、功能等，并给出了与MAX6339相关的Maxim元器件型号供参考。

MAX6339 - 四电压µP监控电路，SOT封装 - 监控电路、电压监测、排序 - 业内尺寸最小的四电压复位IC - 美信半导体

产品概述

The MAX6339 is a precision quad voltage monitor withmicroprocessor (µP) supervisory reset timing. The devicecan monitor up to four system supply voltages withoutany external components and asserts a single reset if anysupply voltage drops below its preset threshold. Thedevice significantly reduces system size and componentcount while improving reliability compared to separateICs or discrete components.

A variety of factory-trimmed threshold voltages are availableto accommodate different supply voltages and toleranceswith minimal external component requirements.The selection includes internally fixed options for monitoring+5.0V, +3.3V, +3.0V, +2.5V, +1.8V, and -5.0V supplieswith -5% and/or -10% tolerances. The device is alsoavailable with one or two user-adjustable thresholdoptions if non-standard thresholds are desired (use externalresistor-divider network).

The quad monitor provides a single active-low reset outputthat is asserted when any monitored input is below itsassociated threshold. The output is open drain with aweak internal pullup (10µA) to IN2. Reset remains low fora reset timeout period (140ms min) after all voltages areabove the selected thresholds. The output is valid as longas either the IN1 or IN2 input voltage remains > 1V.

The MAX6339 is available in a small 6-pin SOT23 packageand operates over the extended (-40°C to +85°C)temperature range.

关键特性

以下关键特性由Maxim美信半导体提供：

Monitors Four Power-Supply Voltages

Precision Factory-Set Reset Threshold Optionsfor +5.0V, +3.3V, +3.0, +2.5V, +1.8V, and -5.0VSupplies

User-Adjustable Voltage Monitoring ThresholdOptions

Low 55µA Supply Current

Open-Drain active-low RESET Output with 10µA InternalPullup

140ms (min) Reset Timeout Period

Active-low RESET Valid to IN1 = 1V or IN2 = 1V

Immune to Short Monitored Supply Transients

No External Components Required

Guaranteed from -40°C to +85°C

Small 6-Pin SOT23 Package

热门应用

计算机：台式机、工作站和服务器

数据存储设备

高端打印机

工业设备

网络设备

机顶盒

电信

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