The REG1117G4 from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator that offers a simple and efficient solution for a wide range of applications. This regulator is capable of delivering a continuous output current of up to 800mA, making it suitable for moderate to high-power requirements in various electronic devices.

Key Features

• Output Voltage: The REG1117G4 provides a fixed output voltage, ensuring a stable and precise voltage supply for sensitive electronic components.
• Low Dropout: With its low dropout performance, the REG1117G4 can maintain regulation with a minimal difference between the input and output voltages, which is particularly beneficial in battery-operated devices where the input voltage may vary.
• High Output Current: The ability to supply up to 800mA of output current makes this LDO regulator suitable for a variety of applications, from powering microcontrollers to analog circuits.
• Thermal and Overcurrent Protection: The REG1117G4 includes built-in thermal shutdown and current limit features to protect the device and the connected components from damage due to overheating or excessive current draw.
• Low Noise: This voltage regulator is designed to produce low output noise, which is crucial for applications that require clean and stable power, such as precision instrumentation and audio equipment.

Applications

The REG1117G4 is versatile and can be used in a range of applications, including:

• Portable and battery-powered devices
• Microcontroller power supplies
• Linear power supplies
• Post-regulation for switching supplies
• Analog circuits requiring low noise power

Package and Availability

The REG1117G4 is available in a variety of packages, including the TO-220, which is widely used and easily integrated into a broad range of electronic circuits. Texas Instruments ensures the availability of this component through their extensive distribution network, allowing designers and manufacturers to incorporate the REG1117G4 into their designs with confidence.