MAX6803 - 4引脚、低功耗微处理器复位电路，带有手动复位

MAX6803是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX6803是4引脚、低功耗微处理器复位电路，带有手动复位，本站介绍了MAX6803的封装应用图解、特点和优点、功能等，并给出了与MAX6803相关的Maxim元器件型号供参考。

MAX6803 - 4引脚、低功耗微处理器复位电路，带有手动复位 - 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 MAX6803/MAX6804/MAX6805 microprocessor (µP) supervisory circuits monitor the power supplies in 2.85V to 5.0V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external components and adjustments. They also feature a debounced manual reset input.

These devices perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold or whenever manual reset is asserted. Reset remains asserted for a preset timeout period after VCC has risen above the reset threshold or after manual reset is deasserted. The only difference among the three devices is their output. The MAX6804 (push/pull) and MAX6805 (open-drain) have an active-low RESET output, while the MAX6803 (push/pull) has an active-high RESET output. The MAX6803/MAX6804 are guaranteed to be in the correct state for VCC down to 0.7V. The MAX6805 is guaranteed to be in the correct state for VCC down to 1.0V.

The reset comparator in these ICs is designed to ignore fast transients on VCC. Reset thresholds are factory-trimmable between 2.63V and 4.80V, in approximately 100mV increments. These devices are available with a 1ms min, 20ms min, or 100ms min reset timeout period. Ideal for space-critical applications, the MAX6803/MAX6804/MAX6805 come packaged in a 4-pin SOT143. For a lower threshold voltage version, see the MAX6335/MAX6336/MAX6337.

关键特性

以下关键特性由Maxim美信半导体提供：

Ultra-Low 0.7V Operating Supply Voltage

Low 4.0µA Supply Current

Precision Monitoring of 2.85V to 5.0V Power-Supply Voltages

Reset Thresholds Available from 2.63V to 4.80V, in Approximately 100mV Increments

Debounced Manual Reset Input

Fully Specified over Temperature

Three Power-On Reset Timeout Periods Available (1ms min, 20ms min, 100ms min)

Low Cost

Three Available Output Structures: Push/Pull active-low RESET, Push/Pull RESET, Open-Drain active-low RESET

Guaranteed RESET/active-low RESET Valid to VCC = 0.7V (MAX6803/MAX6804)

Power-Supply Transient Immunity

No External Components Required

4-Pin SOT143 Package

Pin Compatible with MAX811/MAX812 and MAX6314/MAX6315

热门应用

计算机：台式机、工作站和服务器

控制器

精确的µP与µC电源监控

智能仪表

便携式电池供电设备

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