onsemi

FAN2502SX

FAN2502SX Description

The FAN2502SX is a linear voltage regulator designed by onsemi, offering adjustable output voltage capabilities. This device is part of the Linear & Switching Voltage Regulators category and is housed in a compact SOT23-5 package, making it suitable for surface mount applications. The FAN2502SX supports an input voltage range up to 6.5V and can deliver a maximum output current of 150mA. It features a positive output configuration with an adjustable output voltage ranging from 1.5V to 6.32V. The regulator boasts a low dropout voltage of 0.18V at 150mA, ensuring efficient operation even under low input-to-output voltage differentials. Additionally, the FAN2502SX includes an enable control feature and over-temperature protection, enhancing its reliability and versatility. Despite its small form factor, the regulator maintains a low quiescent current of 50 µA and offers a power supply rejection ratio (PSRR) of 43dB at 120Hz. The FAN2502SX is classified as obsolete by the manufacturer, but it remains unaffected by REACH regulations and is suitable for unlimited moisture sensitivity level (MSL) applications.

FAN2502SX Features

• Adjustable Output Voltage: The FAN2502SX provides an adjustable output voltage range from 1.5V to 6.32V, making it highly versatile for various electronic applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.18V at 150mA, the regulator ensures efficient power conversion even when the input voltage is close to the output voltage.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator’s operation, enabling power savings in standby modes.
• Over-Temperature Protection: This feature safeguards the device from thermal runaway, ensuring reliable operation under varying environmental conditions.
• Low Quiescent Current: The regulator operates with a low quiescent current of 50 µA, minimizing power consumption during idle states.
• High PSRR: A power supply rejection ratio of 43dB at 120Hz ensures that the output voltage remains stable even with varying input voltage conditions.
• Compact SOT23-5 Package: The surface mount package is ideal for space-constrained designs, facilitating integration into small form factor devices.
• Moisture Sensitivity Level 1: The FAN2502SX is suitable for unlimited moisture sensitivity level applications, enhancing its reliability in diverse environments.

FAN2502SX Applications

The FAN2502SX is well-suited for a variety of applications where a compact, efficient, and reliable linear voltage regulator is required. Key applications include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and portable gaming consoles, where space and power efficiency are critical.
• Consumer Electronics: Suitable for applications such as digital cameras, media players, and other consumer devices that require a stable power supply.
• Industrial Control Systems: The regulator’s robustness and reliability make it suitable for industrial applications where stable power supply and thermal protection are essential.
• Telecommunications: The FAN2502SX can be used in various telecommunication equipment, including routers, modems, and base stations, where efficient power management is crucial.
• Automotive Electronics: The device’s ability to handle varying input voltages and its thermal protection features make it suitable for automotive applications such as infotainment systems and electronic control units.

Conclusion of FAN2502SX

The FAN2502SX is a versatile linear voltage regulator designed for applications requiring adjustable output voltage, low dropout voltage, and efficient power management. Its compact SOT23-5 package, low quiescent current, and high PSRR make it an ideal choice for space-constrained and power-sensitive designs. The enable control feature and over-temperature protection further enhance its reliability and flexibility. Despite being classified as obsolete, the FAN2502SX remains a robust solution for various electronic applications, ensuring stable and efficient power regulation.