onsemi

FAN2502S25X

FAN2502S25X Description

The FAN2502S25X is a linear voltage regulator designed by onsemi, a leading manufacturer in the power management integrated circuits (PMIC) category. This regulator is designed to provide a fixed output voltage of 2.5V with a maximum input voltage of 6.5V. It features a single regulator with a positive output configuration, capable of delivering a continuous output current of 150mA. The FAN2502S25X is housed in a compact SOT23-5 package, making it suitable for surface mount applications. Despite its small size, it offers robust performance with a low dropout voltage of 0.18V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials.

FAN2502S25X Features

• Output Type: Fixed
• Input Voltage Range: Up to 6.5V
• Output Voltage: Fixed at 2.5V
• Output Current: 150mA
• Dropout Voltage: 0.18V @ 150mA
• Quiescent Current: Low at 50 µA
• Power Supply Rejection Ratio (PSRR): 43dB at 120Hz
• Control Features: Enable
• Protection Features: Over-temperature protection
• Package Type: SOT23-5
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

The FAN2502S25X stands out due to its low dropout voltage, which is crucial for applications where the input voltage is close to the required output voltage. This feature ensures that the regulator can maintain its output voltage with minimal power loss, enhancing overall system efficiency. Additionally, the low quiescent current of 50 µA makes it ideal for battery-powered devices where power consumption needs to be minimized.

FAN2502S25X Applications

The FAN2502S25X is well-suited for a variety of applications that require a stable and efficient power supply. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and low dropout voltage make it ideal for applications such as portable electronics, where battery life is a critical factor.
• Consumer Electronics: Suitable for devices that require a stable 2.5V supply, such as smartphones, tablets, and other portable gadgets.
• Industrial Applications: The compact SOT23-5 package and surface mount design make it suitable for space-constrained industrial applications.
• Communication Equipment: Ideal for powering low-voltage components in communication devices, ensuring reliable operation.

Conclusion of FAN2502S25X

The FAN2502S25X is a versatile and efficient linear voltage regulator designed for applications requiring a stable 2.5V supply. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices and other applications where power efficiency is paramount. Despite being marked as obsolete, the FAN2502S25X remains a reliable choice for designers looking for a compact, efficient, and robust power management solution.