ON Semiconductor NCP302LSN40T1 Voltage Detector

The ON Semiconductor NCP302LSN40T1 is a precision voltage detector designed for the management of battery-powered systems. It provides a reliable solution for monitoring the power supply voltage level and ensuring that electronic devices operate within their intended voltage ranges. This component is essential in preventing damage to sensitive electronics by triggering a reset or shutdown process when the voltage falls below a certain threshold.

Key Features

• Voltage Threshold: The device has a preset threshold voltage of 4.0V, which is suitable for a range of applications, particularly those requiring a precise 4V monitoring.
• Low Current Consumption: Its design focuses on energy efficiency, with a typical quiescent current of just 0.8 µA, making it ideal for battery-operated devices where power conservation is crucial.
• High Accuracy: The voltage detector boasts a high threshold accuracy of ±1.5%, ensuring reliable operation and monitoring of the power supply voltage.
• Reset Output: The NCP302LSN40T1 features an active-low, open-drain reset output, which can interface directly with the reset or enable line of a microcontroller or other digital logic.
• Operating Temperature Range: It operates over a wide temperature range from -40°C to +85°C, making it suitable for industrial and automotive environments.
• Fast Response Time: The device responds quickly to voltage changes, providing timely signals to the rest of the system to take appropriate action.

Applications

The NCP302LSN40T1 voltage detector is versatile and can be used in a variety of applications, including:

• Portable and battery-powered equipment
• Microprocessor/microcontroller reset systems
• Memory battery backup circuits
• Power failure detection
• System power-on reset control

With its compact SOT-23-5 package, the NCP302LSN40T1 is designed to occupy minimal space on a printed circuit board, making it suitable for space-constrained applications. Its robust design ensures reliable operation even in challenging conditions, making it a preferred choice for designers looking for a voltage monitoring solution.

The NCP302LSN40T1 from ON Semiconductor represents a blend of precision, reliability, and efficiency, catering to the needs of modern electronic systems where voltage monitoring is a critical function for ensuring the longevity and proper functioning of the device.