Texas Instruments

REG103GA-A/2K5

REG103GA-A/2K5 Description

The REG103GA-A/2K5 is a high-performance linear regulator designed for applications requiring a precise and adjustable output voltage. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT223 package. The regulator offers an adjustable output voltage ranging from 1.295V to 5.5V, making it suitable for a wide range of electronic systems. With a maximum input voltage of 15V and an output current capability of 500mA, the REG103GA-A/2K5 ensures reliable power delivery while maintaining a low dropout voltage of 0.28V at full load. This feature is particularly advantageous in applications where the input voltage may be close to the desired output voltage, minimizing power loss and improving efficiency.

REG103GA-A/2K5 Features

• Adjustable Output Voltage: The REG103GA-A/2K5 provides an adjustable output voltage range from 1.295V to 5.5V, offering flexibility to meet various system requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.28V at 500mA, the regulator ensures high efficiency, especially in low-headroom applications.
• Low Quiescent Current: The device features a low quiescent current of 0.7mA, which is crucial for battery-powered and energy-sensitive applications.
• Enable Control Feature: The regulator includes an enable control feature, allowing users to turn the regulator on and off dynamically, which is useful for power management and reducing standby power consumption.
• Protection Features: The REG103GA-A/2K5 incorporates over-current and over-temperature protection, ensuring robust operation and safeguarding against potential faults.
• High PSRR: The regulator boasts a high Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, which helps in filtering out noise from the input supply, resulting in a cleaner output voltage.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and reliability. It also has a Moisture Sensitivity Level (MSL) of 2, suitable for long-term storage and assembly processes.

REG103GA-A/2K5 Applications

The REG103GA-A/2K5 is ideal for a variety of applications where precise voltage regulation and low power consumption are critical. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and adjustable output voltage make it suitable for portable electronic devices such as smartphones, tablets, and wearable technology.
• Embedded Systems: The regulator's flexibility and protection features make it a reliable choice for embedded systems in industrial and automotive applications.
• Power Management in IoT Devices: The enable control feature and low dropout voltage are beneficial for Internet of Things (IoT) devices that require efficient power management and minimal power loss.
• Medical Devices: The high PSRR and low noise output ensure stable power supply for sensitive medical equipment, contributing to accurate and reliable performance.

Conclusion of REG103GA-A/2K5

The REG103GA-A/2K5 from Texas Instruments stands out as a versatile and efficient linear regulator, offering a combination of adjustable output voltage, low dropout voltage, and low quiescent current. Its robust protection features and compliance with industry standards make it a reliable choice for a wide range of applications. Whether used in battery-powered devices, embedded systems, or sensitive medical equipment, the REG103GA-A/2K5 delivers high performance and reliability, making it an excellent solution for modern power management needs.