S-80833CNNB-B8ST2U

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PMIC - Supervisors are integrated circuits used to detect, inhibit and/or reset a system if an undesired event occurs. The S-80833CNNB-B8ST2U is a supervisor IC with a reset timer delay feature. It is specifically designed for monitoring the operating voltage of microprocessors and other digital circuitry.

The S-80833CNNB-B8ST2U will provide a reset output pulse of 1 ms duration when the voltage that it monitors drops below a certain threshold. The threshold can be set with three external resistors. The reset timer delay feature of the S-80833CNNB-B8ST2U prevents false triggering in the event of a momentary deviation of the monitored voltage by providing a delay before the reset output pulse is given.

The S-80833CNNB-B8ST2U can be used in computers, telecommunication equipment, and other digital systems to simplify the circuit design and increase system reliability. Its reset timer delay feature makes it suitable for digital systems where sudden drops in power supply voltage may occur, such as microprocessor core voltage monitors, and other systems where false reset tripping due to momentary voltage dip should be avoided. The S-80833CNNB-B8ST2U can be used in battery powered devices, as well as in AC powered systems.

The S-80833CNNB-B8ST2U works by monitoring the voltage of the input where it is connected. The threshold voltage which is used to trigger a reset can be set using three external resistors, R1, R2 and R3. When the voltage at the input drops below the predefined threshold, the S-80833CNNB-B8ST2U will generate a reset pulse of 1 ms duration, after a delay period of approximately 500 ms. The duration of the reset pulse is fixed, however, the delay time can be adjusted using R1, R2, and R3. The reset pulse output is active low, thus in order to reset the system, it needs to be connected to the reset input of the device it is protecting.

The S-80833CNNB-B8ST2U is an easy to use and highly cost-effective solution for system reset and protection. It offers the advantages of low cost and high reliability, as well as excellent reset-pulse and timer delay accuracy. Its unique delay reset circuit allows it to monitor the input voltage without creating false reset pulses in the event of a transient voltage dip. In addition, it offers a wide range of applications in computers, telecommunication equipment, and other digital systems, making it an ideal choice for system protection and reliability.

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