CS810 datasheet, PDF - EEWORLD Datasheet

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CS810: DescriptionCS810 low-power microprocessor power monitoring reset circuit; CategoryPower management; File Size132KB，1 Pages; ManufacturerChipstar; Websitehttp://www.chipstar-ic.com/; Shanghai Zhipuxin Microelectronics has first-class domestic analog devices and mixed signal design talents, high-starting technology and accurate market positioning capabilities, mastered the full process of R&D experience and has large-scale mass production engineering management capabilities. We pursue efficiency and innovation and are determined to become the most mainstream supplier in the domestic analog consumer market.

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CS810 Overview

CS810 low-power microprocessor power monitoring reset circuit

Features

• CS810 series circuits are microprocessor reset circuits used to monitor power supply voltage or battery voltage. This series of circuits does not require peripheral devices, thereby improving system reliability and reducing system costs.

• This series of circuits outputs a valid reset signal when the monitored power supply voltage is lower than the preset reset threshold: when the power supply voltage rises above the reset threshold, the reset signal will remain valid for at least 140 milliseconds. The CS810 provides a CMOS reset output. The reset output of the C5810 is high-active. The design ensures that short-term power supply drops will not affect the reset output. Reliable output is guaranteed over the entire temperature range when the power supply voltage is as low as 1.15V.

Parameters

• Accurate reset threshold: ±25%

• Reset threshold from 2.1V to 5.0V, two reset outputs are provided in every 0.1V step

• CMOS output (CS810)

• Minimum reset pulse width of 140ms

• Low operating current: 8uA typical at 3.3V

• Reset signal remains reliable even when the supply voltage is as low as 1.15V

• Filtering of short-term power dips

• Operating temperature range: - 40℃ to +85℃

• Available in SOT23 package

Application

Computers, microcontrollers, smart meters, portable or battery-powered devices

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