NCP303LSN33T1G

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	3.3V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:	5-TSOP
Base Part Number:	NCP303

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Introduction

NCP303LSN33T1G is a PMIC (Power Management Integrated Circuit) that is specifically designed for application in supervisors. This PMIC provides instant supervisory functionality with high accuracy over a wide voltage range for a variety of applications. The NCP303LSN33T1G is powered by a 5V supply rail, which allows for very low operating current and allows it to work reliably in a wide range of applications.

Application field of NCP303LSN33T1G

NCP303LSN33T1G is widely used in power supply supervisors, watchdog supervisors and special power switch supervisors. It is used in general purpose microprocessors, storage devices, embedded systems, as well as other applications that require reliable communication and monitoring of voltage accuracy in order to prevent system faults. NCP303LSN33T1G is also suitable for use in applications with harsh environmental conditions characterized by temperature variation and humidity, such as in consumer electronics, industrial applications, automotive applications and more.

Working principle of NCP303LSN33T1G

NCP303LSN33T1G utilizes a power supply failure detection circuit that senses voltage changes in its common power supply and provides protective functions at the same time. A built-in temperature sensor enables the PMIC to monitor voltage levels and provide optimal protection against over-voltage, under-voltage and over-temperature conditions.The NCP303LSN33T1G\'s comparator is configured to monitor the voltage of the power supply and provide a protection mechanism for any voltage change that exceeds a specified threshold. If the voltage of the power supply falls below or rises above the specified threshold, the NCP303LSN33T1G\'s watchdog timer will be triggered and the power will be shutdown.The firmware of the NCP303LSN33T1G is programmed to detect both active-high and active-low events, filter out unnecessary events and thereby reduce the likelihood of false alarms. All of these confirmations are reported through a interrupt notification system.

Conclusion

NCP303LSN33T1G belongs to PMIC - Supervisors and can be used in a wide range of applications that require high accuracy and reliability. Its power supply failure detection circuit allows for optimal protection against over-voltage and under-voltage conditions, while its temperature sensor ensures that it runs effectively in harsh environmental conditions. The firmware is programmed to provide a robust and reliable monitoring and protection process and to provide notifications.

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