Texas Instruments

REG1117A/2K5

REG1117A/2K5 Description

The REG1117A/2K5 is a high-performance linear voltage regulator designed and manufactured by Texas Instruments. This single-output, positive voltage regulator is capable of delivering up to 1A of output current, making it ideal for a wide range of applications. With an adjustable output voltage ranging from 1.25V to 13.5V, the REG1117A/2K5 offers flexibility and precision in voltage regulation. The device is housed in a compact SOT223 package, suitable for surface mount applications.

REG1117A/2K5 Features

• Adjustable Output Voltage: The REG1117A/2K5 provides an adjustable output voltage between 1.25V and 13.5V, offering flexibility in system design.
• High Output Current: Capable of delivering up to 1A of output current, this regulator is suitable for applications requiring high current.
• Low Voltage Dropout: With a maximum voltage dropout of 1.55V at 1A, the REG1117A/2K5 maintains high efficiency even under heavy load conditions.
• Excellent PSRR: The device boasts a power supply rejection ratio (PSRR) of 62dB at 120Hz, ensuring stable output voltage under varying input conditions.
• Robust Protection Features: Over current and over temperature protection ensure reliable operation and longevity of the device.
• RoHS Compliance: The REG1117A/2K5 is compliant with RoHS3 standards, making it suitable for environmentally conscious designs.

REG1117A/2K5 Applications

The REG1117A/2K5 is ideal for a variety of applications where precise and efficient voltage regulation is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current of 10mA and high efficiency, the REG1117A/2K5 is perfect for battery-powered devices.
• Industrial Control Systems: The adjustable output voltage and high current capability make it suitable for powering various industrial control components.
• Telecommunications Equipment: The device's robust protection features and excellent PSRR make it ideal for use in telecommunications equipment where reliability is crucial.

Conclusion of REG1117A/2K5

The REG1117A/2K5 from Texas Instruments is a versatile and efficient linear voltage regulator that offers adjustable output voltage, high output current, and robust protection features. Its compact SOT223 package and RoHS compliance make it an excellent choice for a wide range of applications, from portable electronics to industrial control systems. With its unique combination of performance, flexibility, and reliability, the REG1117A/2K5 stands out as a superior solution in the linear voltage regulator market.