onsemi

NCP303LSN26T1

NCP303LSN26T1 Description

The NCP303LSN26T1 is a single-channel supervisor IC designed for voltage monitoring applications. Manufactured by onsemi, this device is housed in a 5TSOP package and is suitable for surface-mount applications. Despite being marked as obsolete, the NCP303LSN26T1 remains a reliable choice for monitoring a single voltage with a threshold of 2.6V. The reset timeout feature is adjustable/selectable, providing flexibility in system design. The output is open drain or open collector, which allows for compatibility with a wide range of logic families and power supply voltages. The device features an active-low reset signal, ensuring robust system reset functionality.

NCP303LSN26T1 Features

• Single Voltage Monitoring: The NCP303LSN26T1 is designed to monitor a single voltage with a threshold of 2.6V, making it ideal for applications where precise voltage monitoring is required.
• Adjustable/Selectable Reset Timeout: This feature allows designers to tailor the reset timeout period to match the specific needs of their application, enhancing system reliability and performance.
• Open Drain/Open Collector Output: The open drain or open collector output configuration provides flexibility in interfacing with various logic families and power supply voltages, ensuring compatibility with a wide range of systems.
• Active-Low Reset: The active-low reset signal ensures a reliable system reset, preventing unintended operation and enhancing overall system stability.
• Surface Mount Compatibility: The surface-mount package type (5TSOP) makes the NCP303LSN26T1 suitable for modern PCB designs, facilitating compact and efficient system layouts.
• Moisture Sensitivity Level 1: With an MSL of 1 (unlimited), the NCP303LSN26T1 is suitable for a wide range of environmental conditions, ensuring reliable performance in various industrial and commercial applications.
• Compliance and Status: The NCP303LSN26T1 is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

NCP303LSN26T1 Applications

The NCP303LSN26T1 is well-suited for a variety of applications where reliable 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 within safe operating parameters.
• Microcontroller Reset: Provides a reliable reset signal for microcontrollers, preventing unintended operation and ensuring system stability during power-up and brownout conditions.
• Industrial Control Systems: Suitable for monitoring critical power rails in industrial control systems, where precise voltage monitoring and timely system resets are essential for maintaining operational integrity.
• Telecommunications Equipment: Ensures reliable operation of telecom equipment by monitoring power supply voltages and providing timely resets to prevent system failures.
• Consumer Electronics: Can be used in consumer electronics devices to monitor power supply voltages and provide system resets, enhancing overall product reliability and user experience.

Conclusion of NCP303LSN26T1

The NCP303LSN26T1, despite being marked as obsolete, remains a robust and reliable solution for single-channel voltage monitoring applications. Its adjustable/selectable reset timeout, open drain/open collector output, and active-low reset signal provide flexibility and compatibility with a wide range of systems. The surface-mount package and moisture sensitivity level 1 ensure that it can be easily integrated into modern PCB designs and deployed in various environmental conditions. While newer alternatives may offer additional features, the NCP303LSN26T1 continues to provide a cost-effective and reliable solution for voltage monitoring and system reset applications.