onsemi

NCP301LSN39T1G

NCP301LSN39T1G Description

The NCP301LSN39T1G is a single-channel voltage supervisor from onsemi, designed to monitor a single voltage source and provide reliable system reset functionality. This IC is housed in a 5TSOP package and is suitable for surface mount applications. Despite being marked as obsolete, the NCP301LSN39T1G remains a robust choice for applications requiring a straightforward voltage monitoring solution. It features a voltage threshold of 3.9V and employs an open drain or open collector output configuration, ensuring compatibility with a wide range of digital systems. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.

NCP301LSN39T1G Features

• Single Voltage Monitoring: The NCP301LSN39T1G is designed to monitor a single voltage source, providing a simple yet effective solution for systems requiring basic voltage supervision.
• 3.9V Threshold Voltage: This specific threshold voltage makes the device ideal for applications where a precise voltage level needs to be maintained to ensure system stability.
• Open Drain/Open Collector Output: The open drain or open collector output configuration offers flexibility in interfacing with various digital systems, allowing for easy integration into existing designs.
• Active Low Reset: The active low reset feature ensures that the system is reset when the monitored voltage drops below the threshold, providing reliable system protection.
• Surface Mount Compatibility: The surface mount mounting type allows for easy integration into modern PCB designs, reducing the overall footprint and improving thermal performance.
• Tape & Reel Packaging: The device is packaged in tape & reel format, facilitating efficient handling and assembly in high-volume production environments.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (unlimited), the NCP301LSN39T1G is suitable for a wide range of environmental conditions, ensuring long-term reliability and performance.

NCP301LSN39T1G Applications

The NCP301LSN39T1G is well-suited for a variety of applications where voltage monitoring and system reset functionality are critical. Some specific use cases include:

• Power Supply Monitoring: Ideal for monitoring the output voltage of power supplies in embedded systems, ensuring that the system remains stable and reliable.
• Microcontroller Reset: Provides a reliable reset signal to microcontrollers when the supply voltage drops below the threshold, preventing erratic behavior and potential system failures.
• Battery-Powered Devices: Ensures that battery-powered devices are safely shut down when the battery voltage drops to a critical level, preventing over-discharge and extending battery life.
• Industrial Control Systems: Monitors critical power rails in industrial control systems, providing a robust solution for maintaining system integrity and reliability.

Conclusion of NCP301LSN39T1G

The NCP301LSN39T1G from onsemi is a reliable and versatile single-channel voltage supervisor, offering a straightforward solution for voltage monitoring and system reset applications. Despite its obsolete status, its robust design and adherence to environmental standards make it a suitable choice for a wide range of applications. The device's specific features, such as the 3.9V threshold voltage and open drain/open collector output, provide unique advantages over similar models, ensuring compatibility and flexibility in various electronic systems. Whether used in power supply monitoring, microcontroller reset, battery-powered devices, or industrial control systems, the NCP301LSN39T1G delivers reliable performance and ensures system stability.