Texas Instruments

REG102GA-5/2K5

REG102GA-5/2K5 Description

The REG102GA-5/2K5 is a linear regulator designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 250mA. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Surface Mount SOT223-6 package. The regulator is designed to operate with a maximum input voltage of 10V and features a low dropout voltage of 0.27V at 250mA, ensuring efficient operation even at low input-to-output voltage differentials. The REG102GA-5/2K5 also includes an enable control feature, providing additional flexibility in system design.

REG102GA-5/2K5 Features

• Fixed Output Voltage: The regulator provides a stable 5V output, making it suitable for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of only 0.27V at 250mA, the REG102GA-5/2K5 ensures high efficiency, especially in low voltage applications.
• Low Quiescent Current: The device features a low quiescent current of 500 µA, which is ideal for battery-powered and low-power applications.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power savings and improved system performance.
• Protection Features: The regulator includes over-current and over-temperature protection, ensuring reliable operation and safeguarding against potential faults.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Compliance: The REG102GA-5/2K5 is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: The device has an MSL of 2 (1 Year), ensuring reliability in various environmental conditions.

REG102GA-5/2K5 Applications

The REG102GA-5/2K5 is well-suited for a variety of applications where a stable 5V power supply is required. Its low dropout voltage and high efficiency make it particularly useful in battery-powered devices, portable electronics, and low-power systems. The enable control feature allows for dynamic power management, making it ideal for applications that require power-saving modes or variable power states. The over-current and over-temperature protection features ensure robust performance in demanding environments, making this regulator suitable for industrial and automotive applications as well.

Conclusion of REG102GA-5/2K5

The REG102GA-5/2K5 from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 5V output. Its low dropout voltage, low quiescent current, and enable control feature make it an excellent choice for low-power and battery-operated devices. The inclusion of over-current and over-temperature protection ensures reliable operation, while its high PSRR provides a clean and stable power supply. Although the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing designs and legacy systems.