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FAN1582M25X

FAN1582M25X Description

The FAN1582M25X is a linear voltage regulator designed to provide a stable 2.5V output at a maximum current of 3A. Manufactured by Fairchild Semiconductor (now part of onsemi), this regulator is housed in a TO263-5 package, making it suitable for surface-mount applications. Despite its obsolete status, the FAN1582M25X remains a reliable choice for applications requiring a fixed positive output voltage with robust protection features.

FAN1582M25X Features

• Low Quiescent Current: The FAN1582M25X operates with a quiescent current of just 6 mA, making it energy-efficient and suitable for applications where power consumption is a critical factor.
• High PSRR: With a power supply rejection ratio (PSRR) of 80 dB at 120 Hz, the regulator effectively filters out noise from the input power supply, ensuring a clean output voltage.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 2.5V, eliminating the need for external voltage-setting components and simplifying circuit design.
• Wide Input Voltage Range: The FAN1582M25X can operate with input voltages up to 7V, offering flexibility in power supply options.
• Low Dropout Voltage: The maximum dropout voltage is 1.18V at 3A, allowing the regulator to maintain its output voltage even when the input voltage is close to the output voltage.
• Protection Features: The regulator includes over-current and over-temperature protection, safeguarding the device and the surrounding circuitry from damage.
• Compliance: The FAN1582M25X is ROHS3 compliant, ensuring it meets environmental and safety standards.

FAN1582M25X Applications

The FAN1582M25X is ideal for a variety of applications where a stable and reliable power supply is essential. Its fixed 2.5V output and high current capability make it suitable for:

• Embedded Systems: Providing a stable power source for microcontrollers, sensors, and other low-voltage components.
• Consumer Electronics: Used in devices such as smartphones, tablets, and portable gaming consoles where a fixed voltage supply is required.
• Industrial Applications: Powering control systems, actuators, and other electronic components in industrial environments.
• Telecommunications: Supplying power to communication modules and base stations where reliability and efficiency are paramount.

Conclusion of FAN1582M25X

The FAN1582M25X is a high-performance linear voltage regulator that offers a stable 2.5V output with a maximum current of 3A. Its low quiescent current, high PSRR, and low dropout voltage make it an efficient and reliable choice for a wide range of applications. Despite being marked as obsolete, the FAN1582M25X remains a robust solution, especially in applications where its specific features are required. Its surface-mount package and compliance with ROHS3 standards further enhance its suitability for modern electronic designs.