Texas Instruments

REG104FA-3.3/500G3

REG104FA-3.3/500G3 Description

The REG104FA-3.3/500G3 is a high-performance linear regulator designed by Texas Instruments, specifically tailored for applications requiring a stable 3.3V output voltage and up to 1A of output current. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a DDPAK/TO263-5 package, making it suitable for surface-mount applications. The device is known for its robustness and efficiency, with a maximum input voltage of 15V and a dropout voltage of only 0.48V at full load, ensuring minimal power loss.

REG104FA-3.3/500G3 Features

• Fixed Output Voltage: The regulator provides a fixed output voltage of 3.3V, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a dropout voltage of 0.48V at 1A, the REG104FA-3.3/500G3 minimizes power dissipation and heat generation, making it ideal for applications where thermal management is critical.
• Low Quiescent Current: The regulator operates with a quiescent current of just 0.7 mA, which is crucial for maintaining high efficiency even at low load conditions.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes and precise control over the power delivery.
• Protection Features: The device includes over-current and over-temperature protection, safeguarding both the regulator and connected components from damage.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 65dB at 120Hz, ensuring excellent noise rejection and stable output voltage under varying input conditions.
• Compliance and Reliability: The REG104FA-3.3/500G3 is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 2, ensuring reliability in various environmental conditions.

REG104FA-3.3/500G3 Applications

The REG104FA-3.3/500G3 is well-suited for a variety of applications where stable power supply and high efficiency are paramount. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive components in devices such as smartphones, tablets, and portable gaming consoles, where stable voltage and low power consumption are essential.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require reliable power supply and protection against voltage fluctuations.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where high efficiency and low noise are critical for maintaining signal integrity.
• Automotive Electronics: Applicable in automotive systems such as infotainment units, ECUs, and advanced driver-assistance systems (ADAS), where robustness and thermal efficiency are key requirements.

Conclusion of REG104FA-3.3/500G3

The REG104FA-3.3/500G3 from Texas Instruments stands out as a reliable and efficient linear regulator, offering a fixed 3.3V output with up to 1A of current. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications where power efficiency and stability are critical. The inclusion of enable control and robust protection features further enhances its versatility and reliability. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive systems, the REG104FA-3.3/500G3 ensures consistent performance and compliance with industry standards, making it a preferred choice for designers and engineers in the electronics industry.