Texas Instruments

REG1117FA-5.0KTTT

REG1117FA-5.0KTTT Description

The REG1117FA-5.0KTTT is a fixed output linear regulator designed by Texas Instruments, offering a robust solution for power management applications. This regulator is designed to provide a stable 5V output with a maximum input voltage of 15V, ensuring reliable performance across a wide range of input conditions. It is capable of delivering up to 1A of output current, making it suitable for applications requiring moderate power levels. The regulator features a dropout voltage of 1.55V at 1A, which is relatively low compared to other linear regulators, allowing it to maintain efficiency even at lower input voltages.

The device is housed in a DDPAK/TO263-3 package, which is ideal for surface mount applications, providing a compact and thermally efficient solution. The regulator includes protection features such as over-current and over-temperature protection, ensuring safe operation under various load conditions. Additionally, the REG1117FA-5.0KTTT is REACH unaffected and RoHS3 compliant, meeting environmental standards for modern electronics manufacturing.

REG1117FA-5.0KTTT Features

• Fixed Output Voltage: Provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: Capable of handling input voltages up to 15V, offering flexibility in power source selection.
• Low Dropout Voltage: With a maximum dropout voltage of 1.55V at 1A, it maintains efficiency even at lower input voltages.
• Over-Current and Over-Temperature Protection: Ensures safe operation and protects against potential faults.
• Compact Surface Mount Package: The DDPAK/TO263-3 package is ideal for space-constrained designs and offers good thermal performance.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, suitable for environmentally conscious manufacturing processes.
• Low Quiescent Current: With a quiescent current of 10 mA, it minimizes power consumption during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): 62dB at 120Hz, ensuring minimal noise and ripple in the output voltage.

REG1117FA-5.0KTTT Applications

The REG1117FA-5.0KTTT is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 5V output and 1A current capability make it ideal for powering microcontrollers, sensors, and other low-power electronics. The low dropout voltage ensures that it can operate efficiently even when the input voltage is close to the output voltage, making it suitable for battery-powered devices where the input voltage may drop as the battery discharges.

Some specific use cases include:

• Microcontroller Power Supplies: Providing a stable 5V supply for microcontrollers and other digital circuits.
• Sensor Applications: Powering various sensors that require a stable voltage source.
• Battery-Powered Devices: Efficiently managing power in devices where the input voltage may vary significantly.
• Embedded Systems: Ensuring reliable power supply in embedded systems that require compact and efficient power management solutions.

Conclusion of REG1117FA-5.0KTTT

The REG1117FA-5.0KTTT from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 5V output. Its low dropout voltage, compact surface mount package, and comprehensive protection features make it a reliable choice for a wide range of power management needs. While the product is marked as obsolete, it remains a valuable option for existing designs and applications where its specific features are required. Its compliance with environmental standards ensures that it meets the requirements of modern electronics manufacturing, making it a suitable component for both current and future projects.