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Maxim产品 - MAX6831介绍

MAX6831 - 双路、超低电压、SOT23封装、微处理器监控电路，带有手动复位及看门狗定时器

MAX6831是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX6831是双路、超低电压、SOT23封装、微处理器监控电路，带有手动复位及看门狗定时器，本站介绍了MAX6831的封装应用图解、特点和优点、功能等，并给出了与MAX6831相关的Maxim元器件型号供参考。

MAX6831 - 双路、超低电压、SOT23封装、微处理器监控电路，带有手动复位及看门狗定时器 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX6826—MAX6831 are ultra-low-voltage microprocessor (µP) supervisory circuits designed to monitor two power supplies and have manual reset and watchdog input functions. These devices assert a system reset if any of the monitored supplies fall below the preprogrammed thresholds, and maintain reset for a minimum timeout period after the supplies rise above the threshold. Microprocessor supervisors significantly improve system reliability and accuracy compared to separate ICs or discrete components. These devices monitor primary voltages from +1.8V to +5.0V and secondary voltages from +0.9V to +2.5V. These devices are guaranteed to be in the correct state for VCC down to +1.0V.

A variety of preprogrammed reset threshold voltages are available (see the Threshold Suffix Guide). The devices include manual reset and watchdog inputs. The MAX6829/MAX6830/MAX6831 provide a factory-trimmed threshold to monitor a 2nd voltage down to +0.9V. The MAX6826/MAX6829 have a push-pull active-low RESET, the MAX6827/MAX6830 have a push-pull RESET and the MAX6828/MAX6831 have an open-drain active-low RESET. The MAX6826/MAX6827/MAX6828 have an auxiliary monitor that allows user adjustable input to monitor voltages down to +0.6V. See Selector Guide for functions available.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Monitor Primary VCC Supplies from +1.8V to +5.0V and Secondary VCC2 Supplies from +0.9V to +2.5V
  • User Adjustable RESET IN Down to +0.63V (MAX6826/MAX6827/MAX6828)
  • 140ms (min) Reset Timeout Delay
  • 1.6s Watchdog Timeout Period
  • Manual Reset Input
  • Three Reset Output Options
  • Push-Pull active-low RESET
  • Push-Pull RESET
  • Open-Drain active-low RESET
  • Guaranteed Reset Valid Down to VCC = +1.0V
  • Immune to Short Negative VCC Transients
  • No External Components
  • Small 6-pin SOT23 Packages
    • 热门应用
  • 精确的µP监控
  • 嵌入式控制器
  • 智能仪表
  • 多电压系统
  • 便携式/电池供电设备
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