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MIC2940A-3.3BU TR

MIC2940A-3.3BU TR Description

The MIC2940A-3.3BU TR is a linear voltage regulator designed by Microchip Technology. It features a fixed output voltage of 3.3V and is capable of delivering a maximum output current of 1.25A. This regulator is designed for surface mount applications and comes in a TO263-3 package, making it suitable for a variety of electronic systems. The regulator has a maximum input voltage of 26V and a dropout voltage of 0.6V at full load, ensuring efficient operation even at lower input voltages. It also includes protection features such as over current, over temperature, and reverse polarity protection, enhancing its reliability and safety in various operating conditions.

MIC2940A-3.3BU TR Features

• Fixed Output Voltage: The regulator provides a stable 3.3V output, making it ideal for applications requiring a consistent power supply.
• High Output Current: With a maximum output current of 1.25A, the MIC2940A-3.3BU TR can power demanding devices and circuits.
• Low Dropout Voltage: The maximum dropout voltage of 0.6V at 1.25A ensures high efficiency, especially when operating near the input voltage limit.
• Protection Features: Over current, over temperature, and reverse polarity protections safeguard the regulator and connected circuits from potential damage.
• Low Quiescent Current: A quiescent current of 500 µA minimizes power consumption during standby or low-load conditions.
• Surface Mount Compatibility: The TO263-3 package is designed for surface mount technology, facilitating easy integration into modern PCB designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours) ensures the component remains reliable in various environmental conditions.
• Compliance: The regulator is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

MIC2940A-3.3BU TR Applications

The MIC2940A-3.3BU TR is well-suited for a range of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power devices.
• Consumer Electronics: Ideal for powering portable devices, where efficiency and low power consumption are paramount.
• Industrial Equipment: Suitable for applications requiring robust protection features and high reliability.
• Telecommunications: Can be used in base stations and other communication equipment that demand stable voltage regulation.
• Automotive Electronics: Ideal for powering various electronic components in vehicles, where protection against over current and reverse polarity is essential.

Conclusion of MIC2940A-3.3BU TR

The MIC2940A-3.3BU TR from Microchip Technology is a versatile linear voltage regulator that offers a fixed 3.3V output with a maximum current of 1.25A. Its low dropout voltage and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the regulator remains a valuable component for designers seeking a stable and efficient power solution. Its surface mount package and compliance with international standards further enhance its appeal for modern electronic designs.