Fairchild (onsemi) Tariff Inquiry

FAN2518SX

FAN2518SX Description

The FAN2518SX is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this IC offers an adjustable output voltage, making it versatile for various electronic systems. The regulator supports a maximum input voltage of 6.5V and can deliver up to 50mA of output current. With a dropout voltage of only 0.075V at 50mA, the FAN2518SX ensures efficient power conversion even at low input-to-output voltage differentials.

FAN2518SX Features

• Adjustable Output Voltage: The FAN2518SX provides an adjustable output voltage ranging from 1.32V to 6.425V, making it suitable for a variety of applications requiring different voltage levels.
• Low Dropout Voltage: With a maximum dropout voltage of 0.075V at 50mA, the regulator maintains high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The device features a low supply current of 50 µA, which is beneficial for battery-powered applications where minimizing power consumption is crucial.
• Enable Control: The FAN2518SX includes an enable control feature, allowing for precise control over the regulator's operation, which can be useful in power sequencing and power-saving modes.
• Over-Temperature Protection: The regulator is equipped with over-temperature protection, ensuring safe operation and reliability in demanding environments.
• High PSRR: The power supply rejection ratio (PSRR) of 43dB at 120Hz helps in filtering out noise from the input supply, resulting in a cleaner output voltage.
• Surface Mount Packaging: Available in bulk packaging, the FAN2518SX is designed for surface mount applications, facilitating easy integration into modern PCB designs.

FAN2518SX Applications

The FAN2518SX is ideal for a variety of applications where low dropout voltage, adjustable output voltage, and low quiescent current are critical. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and low dropout voltage make the FAN2518SX suitable for portable electronic devices, such as smartphones, tablets, and wearables, where battery life and efficiency are paramount.
• Low-Voltage Systems: The regulator's ability to operate with a low input-to-output voltage differential is beneficial in low-voltage systems, such as those found in automotive electronics and IoT devices.
• Power Sequencing: The enable control feature allows for precise power sequencing in complex electronic systems, ensuring that components are powered up and down in a controlled manner.
• Noise-Sensitive Applications: The high PSRR helps in reducing noise in applications such as audio equipment, precision instrumentation, and medical devices, where a clean power supply is essential.

Conclusion of FAN2518SX

The FAN2518SX is a robust and versatile linear regulator that offers significant advantages over similar models. Its low dropout voltage, adjustable output voltage, and low quiescent current make it an excellent choice for a wide range of power management applications. The enable control and over-temperature protection features further enhance its reliability and usability. Whether used in battery-powered devices, low-voltage systems, or noise-sensitive applications, the FAN2518SX delivers high performance and efficiency, making it a valuable component in modern electronic designs.