NCP300LSN09T1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	0.9V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:	5-TSOP
Base Part Number:	NCP300

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Introduction to NCP300LSN09T1

NCP300LSN09T1 is a series of advanced microcontroller supervisor circuit designed by ON Semiconductor. It provides pin-to-pin compatibility with its predecessor without compromising features or performance. This series is intended for use in battery-powered and other low-power applications requiring enhanced standby current consumption, low temperature coefficient of voltage detection, and output voltage accuracy.

Application Field of NCP300LSN09T1

NCP300LSN09T1 offers a wide range of applications for microcontroller-based designs with its variety of features. This includes microcontroller reset, under-voltage lockout, system power supply start-up, clock initialization, and other functions. The device can be used in a wide range of applications, such as automotive, white goods, safety systems, and industrial control.The device can be used to reset any 8- until 64-bit microcontroller when its power supply is low, short or open. It ensures a stable power supply during the reset process, thereby avoiding any potential board malfunctions.The device can also be used to generate power-on reset signals in applications that require higher accuracy. The device also offers adaptive thermal monitoring, which helps to protect against potential damage due to system over-temperature conditions.

Working Principle of NCP300LSN09T1

NCP300LSN09T1 is a low power microcontroller supervisor offering an integrated voltage detection system, an adjustable reset time delay, an active-low output, power-saving features and protection against brownout, over-voltage, and over-temperature conditions.The NCP300LSN09T1 works by monitoring the voltage across its VCC/GND inputs, and when it detects a voltage below the pre-set threshold, it sends an active-low signal to reset the microcontroller. This reset signal is held for a period of time determined by the external resistor network connected to the device.The device operates over a temperature range of -40°C to +125°C, and offers protection against over-voltage and over-temperature conditions. It also provides adjustable count start mode, and supports external pulse-train synchronization and high-power sleep mode.

Conclusion

Overall, the NCP300LSN09T1 is a microcontroller supervisor circuit designed to detect abnormal voltages across its VCC/GND inputs and reset the microcontroller accordingly, to ensure system stability. It is suitable for use in a wide range of battery-powered and other low-power applications that require enhanced standby current consumption, low temperature coefficient of voltage detection, and output voltage accuracy. The NCP300LSN09T1 therefore offers a valuable tool for engineers and designers looking for reliable and cost-effective system management solutions.

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