onsemi

NCV4279D1

NCV4279D1 Description

The NCV4279D1 is a linear regulator designed for automotive applications, offering a fixed 5V output voltage with a maximum output current of 150mA. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8SOIC package. Despite being marked as obsolete, the NCV4279D1 remains a reliable choice for specific applications due to its robust design and feature set.

NCV4279D1 Features

• Output Type: Fixed, ensuring a stable 5V output voltage.
• Input Voltage Range: Capable of handling up to 45V, making it suitable for a wide range of input conditions.
• Output Current: Delivers a consistent 150mA, ideal for powering small to medium-sized electronic devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 100mA, the NCV4279D1 maintains efficiency even at low input voltages.
• Control Features: Includes a reset function, enhancing system reliability and control.
• Protection Features: Equipped with over-temperature, reverse polarity, and short-circuit protection, ensuring robustness and reliability in demanding environments.
• Low Quiescent Current: Consumes only 250 µA in quiescent mode, minimizing power loss and extending battery life.
• Mounting Type: Surface mount, facilitating easy integration into compact designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulations.

NCV4279D1 Applications

The NCV4279D1 is particularly well-suited for automotive applications where reliability and efficiency are paramount. Its low dropout voltage and robust protection features make it ideal for powering electronic control units (ECUs), infotainment systems, and other automotive electronics. Additionally, its low quiescent current and fixed output voltage make it suitable for applications requiring stable power supply, such as:

• Automotive ECUs: Providing a stable power source for critical control units.
• Infotainment Systems: Ensuring reliable power for in-vehicle entertainment systems.
• Instrument Clusters: Delivering consistent power for dashboard displays and gauges.
• Battery Management Systems: Offering efficient power regulation for battery monitoring and management.

Conclusion of NCV4279D1

The NCV4279D1, despite its obsolete status, remains a valuable component for applications requiring a reliable and efficient linear regulator. Its fixed 5V output, low dropout voltage, and comprehensive protection features make it a robust choice for automotive electronics. While modern alternatives may offer additional features, the NCV4279D1's proven performance and compatibility with existing designs ensure its continued relevance in specific use cases. For engineers and designers working within the automotive industry, the NCV4279D1 provides a dependable solution for stable power regulation.