Texas Instruments

REG102UA-A  

Linear & Switching Voltage Regulators

REG102UA-A Description

The REG102UA-A is a linear regulator IC designed for power management applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and offers an adjustable output voltage ranging from 2.5V to 5.5V, capable of delivering up to 250mA of output current. It features a maximum input voltage of 10V and is housed in an 8SOIC package, suitable for surface mount applications. The regulator is designed with a dropout voltage of 0.27V at 250mA, ensuring efficient operation even at low input-to-output voltage differentials. With a quiescent current of 500 µA and a supply current of 800 µA, the REG102UA-A is optimized for low-power applications. It also includes protection features such as over-current and over-temperature protection, enhancing its reliability and robustness.

REG102UA-A Features

• Adjustable Output Voltage: The REG102UA-A provides an adjustable output voltage range from 2.5V to 5.5V, making it versatile for various applications requiring different voltage levels.
• High Efficiency: With a dropout voltage of 0.27V at 250mA, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current of 500 µA ensures minimal power consumption during operation, making it suitable for battery-powered devices.
• Protection Features: Over-current and over-temperature protection features safeguard the device and connected circuits from potential damage.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and efficient power management.
• Surface Mount Package: The 8SOIC package is designed for surface mount technology, facilitating compact and reliable PCB designs.
• Compliance: The REG102UA-A is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

REG102UA-A Applications

The REG102UA-A is ideal for a variety of applications where a reliable and efficient power supply is required. Its adjustable output voltage and low dropout characteristics make it suitable for:

• Battery-Powered Devices: The low quiescent current and high efficiency ensure extended battery life.
• Consumer Electronics: Provides stable power supply for devices requiring adjustable voltage levels.
• Industrial Equipment: The robust protection features and reliability make it suitable for industrial applications where high performance and durability are critical.
• Telecommunications: Efficient power management for various telecom equipment, ensuring stable operation under varying load conditions.

Conclusion of REG102UA-A

The REG102UA-A from Texas Instruments is a versatile and efficient linear regulator designed for a wide range of power management applications. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an ideal choice for battery-powered and low-power devices. The inclusion of over-current and over-temperature protection features ensures reliability and durability, making it suitable for both consumer and industrial applications. Despite being marked as obsolete, the REG102UA-A remains a reliable option for applications requiring a compact, efficient, and robust power management solution.

REG102UA-A Documents

Download datasheets and manufacturer documentation for REG102UA-A

Datasheets :

REG102 Datasheet      

PCN Obsolescence/ EOL :

LDO devices 23/May/2017      

HTML Datasheet :

REG102 Datasheet