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3引脚、超低功耗、SC70/SOT23封装电压检测器

业内尺寸最小、功耗最低的电压检测器

产品详情

主要特征

应用/用途

Parametric specs for Supervisors (1 Monitored Voltage)
Reset Thresh. (V) 1.8 to 2.5
2.5 to 3.3
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active High
Active Low
Open Drain
Push-Pull
tRESET (min) <1ms
Watchdog Feature No Watchdog
ICC (µA) (max) 0.5
Package/Pins SC70/3
SOT23/3
Budgetary
Price (See Notes)
1.61
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简化框图

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参量

Parametric specs for Supervisors (1 Monitored Voltage)
Reset Thresh. (V) 1.8 to 2.5
2.5 to 3.3
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active High
Active Low
Open Drain
Push-Pull
tRESET (min) <1ms
Watchdog Feature No Watchdog
ICC (µA) (max) 0.5
Package/Pins SC70/3
SOT23/3
Budgetary
Price (See Notes)
1.61

主要特征

  • Ultra-Low 500nA Supply Current (MAX6375/MAX6376/MAX6377)
  • Thresholds Available from 2.20V to 4.63V in Approximately 100mV Increments
  • ±2.5% Threshold Accuracy Over Temperature
  • Low Cost
  • Available in Three Versions: Push-Pull active-low OUT, Push-Pull OUT, and Open-Drain active-low OUT
  • Power-Supply Transient Immunity
  • No External Components
  • Available in Either a 3-Pin SC70 or 3-Pin SOT23 Package

应用/用途

  • 负载开关/顺序上电
  • 便携式电池供电设备
  • 数字/模拟系统的电源监视
  • 精密电池监视

描述

The MAX6375-MAX6380 are ultra-low-power circuits used for monitoring battery, power-supply, and regulated system voltages. Each detector contains a precision bandgap reference, comparator, and internally trimmed resistors that set specified trip threshold voltages. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring nominal system voltages from 2.5V to 5V.

These circuits perform a single function: they assert an output signal whenever the VCC supply voltage falls below a preset threshold. The devices are differentiated by their output logic configurations and preset threshold voltages. The MAX6375/MAX6378 (push-pull) and MAX6377/MAX6380 (open-drain) have an active-low output (active-low OUT is logic low when VCC is below VTH). The MAX6376/MAX6379 have an active-high push-pull output (OUT is logic high when VCC is below VTH). All parts are guaranteed to be in the correct output logic state for VCC down to 1V. The detector is designed to ignore fast transients on VCC. The MAX6375/MAX6376/ MAX6377 have voltage thresholds between 2.20V and 3.08V in approximately 100mV increments. The MAX6378/MAX6379/MAX6380 have voltage thresholds between 3.30V and 4.63V in approximately 100mV increments.

Ultra-low supply current of 500nA (MAX6375/MAX6376/MAX6377) makes these parts ideal for use in portable equipment. All six devices are available in a space-saving SC70 package or in a tiny SOT23 package.

简化框图

MAX6375、MAX6376、MAX6377、MAX6378、MAX6379、MAX6380:引脚配置 MAX6375、MAX6376、MAX6377、MAX6378、MAX6379、MAX6380:引脚配置 Zoom icon

技术文档

支持和培训

在Maxim的知识库中搜索技术问题的答案

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Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心