Texas Instruments

REG101UA-5/2K5

REG101UA-5/2K5 Description

The REG101UA-5/2K5 is a fixed output linear voltage regulator designed by Texas Instruments. This regulator is specifically engineered to provide a stable 5V output with a maximum output current of 100mA. It features a low dropout voltage of 0.13V at 100mA, ensuring high efficiency even under low input voltage conditions. The regulator is designed for surface mount applications and comes in an 8SOIC package, making it suitable for compact and high-density PCB designs.

REG101UA-5/2K5 Features

• Fixed Output Voltage: The REG101UA-5/2K5 offers a fixed output voltage of 5V, providing a stable power supply for various electronic devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.13V at 100mA, this regulator maintains high efficiency and performance even when the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current is only 500 µA, minimizing power consumption and extending battery life in portable applications.
• Enable Control Feature: The regulator includes an enable control feature, allowing for dynamic power management and reducing power consumption when not in use.
• Protection Features: Over current and over temperature protection features ensure the regulator's reliability and longevity, safeguarding against potential damage from excessive current or temperature.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 65dB at 120Hz, effectively filtering out noise from the input power supply and ensuring a clean output voltage.
• Compliance and Packaging: The REG101UA-5/2K5 is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. It is available in a tape and reel package, facilitating automated assembly processes.

REG101UA-5/2K5 Applications

The REG101UA-5/2K5 is ideal for a variety of applications where a stable 5V supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices and portable electronics. Some specific use cases include:

• Portable Electronics: Ideal for powering smartphones, tablets, and other portable devices where battery life and efficiency are critical.
• Embedded Systems: Suitable for embedded systems in industrial and automotive applications, providing a reliable power supply for microcontrollers and sensors.
• Consumer Electronics: Can be used in consumer electronics such as digital cameras, media players, and smartwatches, ensuring stable power delivery and long battery life.
• Medical Devices: Applicable in medical devices where low power consumption and high reliability are essential, such as portable diagnostic tools and wearable health monitors.

Conclusion of REG101UA-5/2K5

The REG101UA-5/2K5 from Texas Instruments is a high-performance linear voltage regulator designed to meet the demands of modern electronic devices. Its fixed 5V output, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring stable power delivery and high efficiency. The inclusion of enable control and protection features further enhances its reliability and versatility. Whether used in portable electronics, embedded systems, or medical devices, the REG101UA-5/2K5 offers a robust and efficient solution for power management.