Texas Instruments

REG101UA-3.3G4

REG101UA-3.3G4 Description

The REG101UA-3.3G4 is a high-performance linear voltage regulator from Texas Instruments, designed to provide a stable 3.3V output voltage with a maximum output current of 100mA. This regulator is optimized for low dropout voltage, ensuring efficient operation even at low input voltages. The device features a maximum input voltage of 10V, making it suitable for a wide range of applications where input voltage fluctuations are common. The regulator is housed in an 8-SOIC package, which is ideal for surface-mount applications, providing a compact and reliable solution for space-constrained designs.

REG101UA-3.3G4 Features

• Fixed Output Voltage: The REG101UA-3.3G4 offers a fixed output voltage of 3.3V, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.13V at 100mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator has a quiescent current of 500 µA, which minimizes power consumption during normal operation.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and efficient power management.
• Protection Features: Over-current and over-temperature protection ensure the device's reliability and longevity, safeguarding against potential damage from excessive current or heat.
• High PSRR: A high power supply rejection ratio (PSRR) of 65dB at 120Hz helps in filtering out noise from the input power supply, resulting in a cleaner output voltage.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 2 (1 year), making it suitable for various manufacturing environments.

REG101UA-3.3G4 Applications

The REG101UA-3.3G4 is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and fixed output voltage make it particularly suitable for:

• Consumer Electronics: Devices such as smartphones, tablets, and portable media players benefit from the regulator's compact size and high efficiency.
• Industrial Equipment: The regulator's robust protection features and compliance with industry standards make it a reliable choice for industrial control systems and automation equipment.
• Telecommunications: In applications like base stations and communication modules, the low dropout voltage ensures stable operation even during voltage fluctuations.
• Automotive Electronics: The device's ability to handle a wide range of input voltages and its compact form factor make it suitable for automotive infotainment systems and electronic control units.

Conclusion of REG101UA-3.3G4

The REG101UA-3.3G4 from Texas Instruments stands out as a versatile and efficient linear voltage regulator. Its low dropout voltage, fixed output voltage, and comprehensive protection features make it an excellent choice for applications requiring stable and reliable power management. The device's compact 8-SOIC package and surface-mount compatibility further enhance its suitability for modern, space-constrained designs. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive applications, the REG101UA-3.3G4 offers a robust and efficient solution, ensuring optimal performance and reliability.