Texas Instruments

REG1117F33KTTTG3

REG1117F33KTTTG3 Description

The REG1117F33KTTTG3 is a fixed output linear regulator designed by Texas Instruments, offering a nominal output voltage of 3.3V and a maximum output current of 800mA. This regulator is housed in a DDPAK package, suitable for surface mount applications. It features a maximum input voltage of 15V and a dropout voltage of 1.2V at full load, making it highly efficient in low-voltage applications. The regulator includes over-current and over-temperature protection features, ensuring robust performance and reliability. Despite its obsolescence status, the REG1117F33KTTTG3 remains a viable option for applications requiring a stable 3.3V supply with moderate current capabilities.

REG1117F33KTTTG3 Features

• Output Type: Fixed, providing a stable 3.3V output.
• Input Voltage Range: Up to 15V, accommodating a wide range of input sources.
• Output Current: Capable of delivering up to 800mA, suitable for moderate power applications.
• Dropout Voltage: 1.2V at 800mA, ensuring efficient operation even at low input voltages.
• Protection Features: Over-current and over-temperature protection enhance reliability and safety.
• Low Quiescent Current: 10mA, minimizing power consumption in standby mode.
• High PSRR: 62dB at 120Hz, providing excellent noise rejection and stable output.
• Compliance: REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 2 (1 Year), suitable for standard manufacturing processes.

REG1117F33KTTTG3 Applications

The REG1117F33KTTTG3 is ideal for a variety of applications where a stable 3.3V supply is required. Its moderate current capability and low dropout voltage make it particularly suitable for:

• Embedded Systems: Providing power to microcontrollers and other low-power components.
• Consumer Electronics: Powering devices that require a stable 3.3V supply, such as USB peripherals.
• Industrial Applications: Supplying power to sensors and control modules in industrial environments.
• Communication Equipment: Ensuring stable power for communication interfaces and modules.

Conclusion of REG1117F33KTTTG3

The REG1117F33KTTTG3 from Texas Instruments is a versatile linear regulator designed for applications requiring a stable 3.3V supply. Its low dropout voltage, moderate output current, and robust protection features make it a reliable choice for various power management needs. Despite being marked as obsolete, its performance characteristics and compliance with industry standards ensure it remains a suitable option for existing designs and legacy systems. For new projects, engineers may consider evaluating alternative models with similar specifications but more up-to-date features and availability.