onsemi

NCV33275ST3.3T3G

NCV33275ST3.3T3G Description

The NCV33275ST3.3T3G is a high-performance linear voltage regulator designed for automotive applications. Manufactured by onsemi, this regulator offers a fixed output voltage of 3.3V and can deliver up to 300mA of output current. It is housed in a compact SOT223 package, making it suitable for surface-mount applications where space is a critical consideration. The regulator is designed to operate with an input voltage range up to 13V, providing a maximum dropout voltage of 0.5V at full load, ensuring efficient operation even at low input-to-output voltage differentials.

NCV33275ST3.3T3G Features

• Fixed Output Voltage: The NCV33275ST3.3T3G provides a stable 3.3V output, ideal for powering digital circuits and microcontrollers.
• High Output Current: With a maximum output current of 300mA, this regulator can support a wide range of applications requiring moderate power levels.
• Low Dropout Voltage: The maximum dropout voltage of 0.5V at 300mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 200 µA, making it suitable for battery-powered systems where power consumption is a concern.
• High PSRR: The Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz helps in filtering out noise from the input supply, ensuring clean and stable output voltage.
• Protection Features: Over-current and over-temperature protection features enhance the reliability and robustness of the regulator, safeguarding it against potential damage.
• Automotive Grade: Certified for automotive applications, the NCV33275ST3.3T3G meets the stringent requirements of the automotive industry, ensuring high reliability and performance in harsh environments.
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, adhering to environmental and safety regulations.

NCV33275ST3.3T3G Applications

The NCV33275ST3.3T3G is particularly well-suited for automotive applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), infotainment systems, and other automotive electronics that require a stable 3.3V supply.
• Microcontroller Power Supply: Suitable for providing a clean and stable power source to microcontrollers and other digital circuits in automotive systems.
• Battery-Powered Devices: The low quiescent current and high efficiency make it a good choice for battery-powered automotive accessories and devices.
• Noise-Sensitive Applications: The high PSRR ensures that the regulator can effectively filter out noise from the input supply, making it suitable for applications where a clean power supply is essential.

Conclusion of NCV33275ST3.3T3G

The NCV33275ST3.3T3G is a robust and efficient linear voltage regulator designed to meet the demanding requirements of the automotive industry. Its combination of a fixed 3.3V output, high output current, low dropout voltage, and low quiescent current makes it an ideal choice for a variety of automotive applications. The inclusion of over-current and over-temperature protection features further enhances its reliability and robustness. With its compact SOT223 package and surface-mount design, the NCV33275ST3.3T3G offers a space-efficient solution for modern automotive electronics.