Texas Instruments

REG103UA-A/2K5  

Linear & Switching Voltage Regulators

REG103UA-A/2K5 Description

The REG103UA-A/2K5 is a high-performance linear voltage regulator designed by Texas Instruments. This device is part of the REG103 series and offers an adjustable output voltage ranging from 1.295V to 5.5V, making it highly versatile for a variety of applications. With a maximum input voltage of 15V and a maximum output current of 500mA, the REG103UA-A/2K5 is well-suited for applications requiring precise voltage regulation and efficient power management.

REG103UA-A/2K5 Features

• Adjustable Output Voltage: The REG103UA-A/2K5 provides an adjustable output voltage range of 1.295V to 5.5V, allowing for flexibility in power supply design.
• Low Dropout Voltage: With a maximum dropout voltage of 0.28V at 500mA, the regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The device features a low quiescent current of 0.7mA, which is crucial for applications where power consumption needs to be minimized.
• High PSRR: A high power supply rejection ratio (PSRR) of 65dB at 120Hz ensures that the output voltage remains stable even with varying input voltage conditions.
• Protection Features: The regulator includes over-current and over-temperature protection features, safeguarding the device and connected circuits from potential damage.
• Enable Control: The enable control feature allows for dynamic control of the regulator’s operation, enhancing power management capabilities.
• Surface Mount Packaging: The REG103UA-A/2K5 is available in a surface mount package (8SOIC), making it suitable for compact and high-density PCB designs.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and reliability in various industrial applications.

REG103UA-A/2K5 Applications

The REG103UA-A/2K5 is ideal for applications that require precise voltage regulation and efficient power management. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where low power consumption and high efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that demand stable power supply and robust protection features.
• Telecommunications: Applicable in communication devices and base stations where reliable power management is essential.
• Automotive Systems: Useful in automotive electronics for managing power supply to various components, ensuring stable operation under varying load conditions.

Conclusion of REG103UA-A/2K5

The REG103UA-A/2K5 from Texas Instruments stands out as a highly efficient and versatile linear voltage regulator. Its adjustable output voltage range, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring precise power management. The inclusion of over-current and over-temperature protection features ensures reliability and durability. With its surface mount packaging and compliance with environmental standards, the REG103UA-A/2K5 is well-suited for modern, compact, and high-density PCB designs. Whether in consumer electronics, industrial equipment, telecommunications, or automotive systems, the REG103UA-A/2K5 offers a reliable and efficient solution for power regulation needs.

REG103UA-A/2K5 Documents

Download datasheets and manufacturer documentation for REG103UA-A/2K5

Datasheets :

REG103      

PCN Obsolescence/ EOL :

EOL NOTICE 15/Nov/2023      

PCN Design/Specification :

Design 25/Feb/2022