onsemi

FAN2500SX

FAN2500SX Description

The FAN2500SX is a linear positive adjustable voltage regulator designed for a wide range of power management applications. Manufactured by onsemi, this device offers a maximum input voltage of 6.5V and can deliver up to 100mA of output current. It features a single regulator with an adjustable output voltage ranging from 1.8V to 6.36V. The FAN2500SX is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. Despite its small form factor, it provides robust performance with a maximum dropout voltage of 0.14V at 100mA and a low quiescent current of 50 µA. The device also includes an enable control feature and over-temperature protection, enhancing its reliability and versatility. While the FAN2500SX is now considered obsolete, it remains a viable option for legacy systems and specific applications where its unique characteristics are required.

FAN2500SX Features

• Adjustable Output Voltage: The FAN2500SX offers an adjustable output voltage range from 1.8V to 6.36V, providing flexibility to meet various power requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.14V at 100mA, the FAN2500SX ensures efficient power delivery even at low input-to-output voltage differentials.
• Low Quiescent Current: The device consumes only 50 µA of quiescent current, making it suitable for battery-powered and low-power applications.
• Enable Control Feature: The enable control feature allows for dynamic power management, enabling or disabling the regulator as needed.
• Over-Temperature Protection: Built-in over-temperature protection ensures the device operates within safe temperature limits, enhancing reliability.
• Compact Surface-Mount Package: The SOT23-5 package is ideal for surface-mount assembly, saving space on the PCB while maintaining robust mechanical and thermal performance.
• High Power Supply Rejection Ratio (PSRR): The FAN2500SX boasts a PSRR of 43dB at 120Hz, effectively filtering out noise from the input power supply.
• Moisture Sensitivity Level 1: The device is rated for unlimited exposure to moisture, making it suitable for a wide range of environmental conditions.

FAN2500SX Applications

The FAN2500SX is well-suited for a variety of applications where a compact, efficient, and reliable voltage regulator is required. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where low quiescent current and low dropout voltage are crucial for extending battery life.
• Consumer Electronics: Suitable for applications such as smartphones, tablets, and wearable devices where space is limited and power efficiency is paramount.
• Industrial Control Systems: The FAN2500SX can be used in industrial applications where a reliable and adjustable power supply is needed for sensors, actuators, and other components.
• Medical Devices: Its compact size and low power consumption make it suitable for medical equipment that requires precise power regulation.
• Automotive Electronics: The device can be used in automotive applications where a reliable and efficient power supply is essential for various electronic components.

Conclusion of FAN2500SX

The FAN2500SX is a versatile and efficient linear voltage regulator that offers a range of features beneficial for various power management applications. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an ideal choice for battery-powered and low-power devices. The inclusion of enable control and over-temperature protection further enhances its reliability and versatility. Despite being marked as obsolete, the FAN2500SX remains a valuable component for legacy systems and specific applications where its unique characteristics are required. For designers seeking a compact, efficient, and reliable power solution, the FAN2500SX is a worthy consideration.