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NCV4279BDWR2G  

Linear & Switching Voltage Regulators

NCV4279BDWR2G Description

The NCV4279BDWR2G is a linear regulator IC designed for automotive applications, offering a fixed 5V output voltage with a maximum output current of 150mA. Manufactured by onsemi, this device is part of the Power Management Integrated Circuit (PMIC) category and features a Surface Mount mounting type in a 20SOIC package. Despite being marked as obsolete, the NCV4279BDWR2G remains a reliable choice for applications requiring a stable power supply with low quiescent current and robust protection features.

NCV4279BDWR2G Features

• Output Type: Fixed 5V output voltage ensures a stable power supply for sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 45V, making it suitable for a variety of automotive environments where voltage fluctuations are common.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 150mA, the NCV4279BDWR2G can maintain regulation even when the input voltage is close to the output voltage, enhancing efficiency.
• Low Quiescent Current: A quiescent current of only 19 µA minimizes power consumption, which is crucial for battery-powered systems and applications requiring low standby power.
• Protection Features: Integrated over-temperature, reverse polarity, and short-circuit protection ensure the device's longevity and reliability, safeguarding against common failure modes.
• Control Features: The reset feature allows for controlled power sequencing and system reset, enhancing overall system stability.
• Compliance: The NCV4279BDWR2G is REACH unaffected and RoHS3 compliant, meeting stringent environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 3 (168 Hours) indicates the device's robustness against moisture, making it suitable for harsh environments.
• Packaging: Available in a Tape & Reel (TR) package, facilitating efficient manufacturing and assembly processes.

NCV4279BDWR2G Applications

The NCV4279BDWR2G is ideally suited for automotive applications where a reliable, low-power, and stable power supply is essential. Specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), sensors, and other automotive subsystems that require a stable 5V supply.
• Battery Management Systems: Provides a stable power source for battery management circuits, ensuring accurate monitoring and control.
• In-Car Infotainment Systems: Ensures reliable power delivery for infotainment systems, contributing to a seamless user experience.
• Safety Systems: Suitable for powering critical safety systems, such as airbag controllers and anti-lock braking systems (ABS), where reliability and low power consumption are paramount.

Conclusion of NCV4279BDWR2G

The NCV4279BDWR2G is a robust and reliable linear regulator IC designed to meet the stringent demands of automotive applications. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a superior choice over similar models. Despite its obsolete status, the NCV4279BDWR2G continues to offer a stable and efficient power supply solution, making it an ideal component for automotive electronics, battery management systems, and safety-critical applications.

NCV4279BDWR2G Documents

Download datasheets and manufacturer documentation for NCV4279BDWR2G

Datasheets :

NCV4279B      

HTML Datasheet :

NCV4279B      

Environmental Information :

onsemi RoHS       onsemi REACH       Material Declaration NCV4279BDWR2G