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LP3809,电压检测复位IC

LP3809】电压检测复位IC

  • LP3809 所属品牌:LPS
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LP3809 详细介绍

LP3809 概述
The LP3809 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (μP) or digital systems. It provides internally fixed threshold levels with 0.1V per step ranging from 1.2V to 5V, which covers most digital applications. It features low supply current of 3μA. The LP3809 performs supervisory function by sending out a reset signal whenever the VDD voltage falls below a preset threshold level. This reset signal will last the whole period before VDD recovering. Once VDD recovered upcrossing the threshold level, the reset signal will be released after a certain delay time. Available in the 5-lead of SOT-23 packages.
 

LP3809特性
· Built-in Recovery Delay Include 210ms
· Internally Fixed Threshold 1.2V to 5V in 0.1V Step
· No External Components Required
· High Accuracy 1.5%
· Low Supply Current 3 A
· Low Functional Supply Voltage 0.9V
· N-Channel Open-Drain output
· Quick Start-Up

LP3809 应用领域
· Computers
· CPU/MCU/DSP
· Portable
· Battery-Powered Equipment