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NCV8668ABD133R2G

NCV8668ABD133R2G Description

The NCV8668ABD133R2G is a linear voltage regulator designed for automotive applications, offering a fixed output voltage of 3.3V with a maximum output current of 150mA. Manufactured by onsemi, this regulator is housed in an 8SOIC package and is suitable for surface mount applications. Despite being marked as obsolete, the NCV8668ABD133R2G remains a robust solution for power management in automotive electronics due to its high input voltage capability (up to 40V) and low quiescent current (43 µA). It features a dropout voltage of 0.6V at 150mA, ensuring efficient operation even under varying load conditions. The regulator also includes essential control features such as enable, reset, and watchdog functions, as well as comprehensive protection mechanisms like over-current, over-temperature, and reverse polarity protection.

NCV8668ABD133R2G Features

• Output Type: Fixed output voltage of 3.3V, ideal for stable power supply requirements.
• High Input Voltage Range: Capable of handling input voltages up to 40V, making it suitable for automotive environments where voltage fluctuations are common.
• Efficient Power Delivery: With a maximum output current of 150mA and a dropout voltage of 0.6V at 150mA, the NCV8668ABD133R2G ensures efficient power delivery even under varying load conditions.
• Low Quiescent Current: At 43 µA, the low quiescent current minimizes power consumption during idle states, enhancing overall system efficiency.
• Enhanced Control and Protection: Features enable, reset, and watchdog control functions, along with over-current, over-temperature, and reverse polarity protection, ensuring reliable operation and safeguarding against potential faults.
• Automotive Grade: Certified for automotive applications, the NCV8668ABD133R2G meets the stringent requirements of the automotive industry, including a moisture sensitivity level (MSL) of 1 (unlimited).
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, aligning with environmental and regulatory standards.

NCV8668ABD133R2G Applications

The NCV8668ABD133R2G is particularly well-suited for automotive applications where a stable and efficient power supply is critical. Specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), infotainment systems, and other automotive electronic modules that require a reliable 3.3V supply.
• Power Management: Suitable for applications where low quiescent current and high input voltage tolerance are essential, such as in battery-powered automotive systems.
• Safety-Critical Systems: The inclusion of watchdog and reset functions makes it suitable for safety-critical applications where system reliability and fault detection are paramount.

Conclusion of NCV8668ABD133R2G

The NCV8668ABD133R2G offers a comprehensive solution for automotive power management, combining a stable fixed output voltage with robust control and protection features. Despite its obsolete status, its high input voltage tolerance, low quiescent current, and automotive-grade certification make it a reliable choice for applications where stability and efficiency are crucial. For designers seeking a proven and compliant power management solution, the NCV8668ABD133RG2 remains a viable option in the automotive electronics domain.