onsemi

NCV551SN28T1

NCV551SN28T1 Description

The NCV551SN28T1 is a linear voltage regulator designed for automotive applications, offering a fixed output voltage of 2.8V and a maximum output current of 150mA. Manufactured by onsemi, this regulator is part of the NCV551 family and is housed in a 5TSOP package, making it suitable for surface-mount applications. Despite its small form factor, the NCV551SN28T1 provides robust performance with a maximum input voltage of 12V and a dropout voltage of only 0.15V at 10mA. The regulator features an enable control function, allowing for dynamic power management, and includes over-current and over-temperature protection to ensure reliable operation under varying conditions. With a maximum supply current of 8 µA, the NCV551SN28T1 is optimized for low-power applications, making it an ideal choice for automotive systems where energy efficiency is critical.

NCV551SN28T1 Features

• Fixed Output Voltage: 2.8V, ensuring stable power supply for sensitive automotive electronics.
• High Output Current: Capable of delivering up to 150mA, sufficient for powering a wide range of automotive components.
• Low Dropout Voltage: Maximum dropout voltage of 0.15V at 10mA, allowing efficient operation even at low input voltages.
• Low Quiescent Current: 8 µA, minimizing power consumption and extending battery life in automotive applications.
• Enable Control: Provides flexibility in power management, enabling dynamic control over the regulator's operation.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability in demanding automotive environments.
• Automotive Grade: Designed to meet the stringent requirements of the automotive industry, ensuring high performance and reliability.
• Surface-Mount Package: The 5TSOP package is ideal for compact and space-constrained automotive designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is crucial for automotive applications.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulatory standards.

NCV551SN28T1 Applications

The NCV551SN28T1 is well-suited for a variety of automotive applications where a reliable and efficient power supply is essential. Specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), infotainment systems, and other automotive electronics that require a stable 2.8V supply.
• Battery Management Systems: Provides a stable voltage source for battery management systems, ensuring accurate monitoring and control.
• Sensor Systems: Suitable for powering various sensors in automotive applications, such as temperature, pressure, and proximity sensors.
• Communication Modules: Can be used to power communication modules in vehicles, including CAN, LIN, and other automotive communication protocols.
• Low-Power Applications: Its low quiescent current makes it suitable for applications where minimizing power consumption is critical, such as in always-on systems.

Conclusion of NCV551SN28T1

The NCV551SN28T1 is a versatile and reliable linear voltage regulator designed specifically for automotive applications. Its combination of a fixed 2.8V output, low dropout voltage, and low quiescent current makes it an ideal choice for powering a wide range of automotive electronics. The inclusion of enable control and robust protection features further enhances its suitability for demanding automotive environments. Despite its status as an obsolete product, the NCV551SN28T1 remains a valuable component for applications where its unique features and performance benefits are required.