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SPX1587U-L-3-3

SPX1587U-L-3-3 Description

The SPX1587U-L-3-3 is a linear regulator IC designed for high-performance power management applications. Manufactured by MaxLinear, Inc., this device is part of the Power Management Integrated Circuits (PMIC) category. It features a fixed output voltage of 3.3V and is capable of delivering a maximum output current of 3A. The regulator is housed in a TO220-3 package, which is suitable for through-hole mounting. Despite its obsolete status, the SPX1587U-L-3-3 remains a reliable choice for applications requiring a stable and efficient power supply.

SPX1587U-L-3-3 Features

• Fixed Output Voltage: The SPX1587U-L-3-3 provides a stable 3.3V output voltage, making it ideal for applications that require a consistent power supply.
• High Output Current: With a maximum output current of 3A, this regulator can support demanding applications that require significant power.
• Low Dropout Voltage: The maximum dropout voltage of 1.2V at 3A ensures efficient operation even under high load conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz helps in filtering out noise from the input power supply, resulting in a cleaner output voltage.
• Protection Features: The device includes over-current and over-temperature protection, enhancing reliability and safety in various operating conditions.
• Quiescent Current: The low quiescent current of 10mA minimizes power consumption during idle periods, contributing to overall energy efficiency.
• Mounting Type: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the SPX1587U-L-3-3 is suitable for a wide range of environmental conditions without the need for special handling.

SPX1587U-L-3-3 Applications

The SPX1587U-L-3-3 is well-suited for a variety of applications due to its robust performance and versatile features. Some specific use cases include:

• Embedded Systems: Ideal for providing a stable power supply to microcontrollers and other embedded components.
• Industrial Equipment: Suitable for powering sensors, actuators, and control systems in industrial environments.
• Telecommunications: Can be used in base stations and other telecom equipment where reliable power management is crucial.
• Consumer Electronics: Applicable in devices such as routers, modems, and other consumer electronics that require a stable 3.3V supply.
• Automotive Applications: Given its robustness and protection features, it can be used in automotive electronics for stable power delivery.

Conclusion of SPX1587U-L-3-3

The SPX1587U-L-3-3 is a high-performance linear regulator that offers a reliable and efficient power management solution. Its fixed 3.3V output voltage, combined with a high output current capability and low dropout voltage, makes it an excellent choice for a wide range of applications. The device's high PSRR and protection features further enhance its performance and reliability. Despite being marked as obsolete, the SPX1587U-L-3-3 remains a viable option for engineers and designers seeking a stable and efficient power supply solution.