Texas Instruments

REG101UA-3.3/2K5

REG101UA-3.3/2K5 Description

The REG101UA-3.3/2K5 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and a maximum output current of 100mA. This device is optimized for low dropout voltage, ensuring efficient power delivery even at high input-to-output voltage differentials. The regulator is housed in an 8SOIC package, making it suitable for surface mount applications and providing a compact solution for space-constrained designs.

REG101UA-3.3/2K5 Features

• Fixed Output Voltage: The REG10UA1-3.3/2K5 provides a stable 3.3V output, ideal for powering digital circuits and microcontrollers.
• Low Dropout Voltage: With a maximum dropout voltage of 0.13V at 100mA, this regulator ensures high efficiency even when the input voltage is close to the output voltage.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes and reducing power consumption when the regulator is not in use.
• Protection Features: Over-current and over-temperature protection ensure the device's reliability and longevity, safeguarding against potential damage from transient conditions.
• Low Quiescent Current: The regulator operates with a quiescent current of only 500 µA, minimizing power consumption during normal operation.
• Compliance: The REG101UA-3.3/2K5 is REACH Unaffected and ROHS3 Compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity: Level With an MSL of 2 (1 Year), the device is suitable for a wide range of manufacturing environments.

REG101UA-3.3/2K5 Applications

The REG101UA-3.3/2K5 is ideal for a variety of applications where a stable and efficient power supply is required. Key use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers and digital circuits in embedded systems.
• Consumer Electronics: Suitable for powering low-power devices such as smartphones, tablets, and IoT devices.
• Industrial Applications: Ideal for powering sensors and control modules in industrial environments.
• Medical Devices: Ensuring stable power delivery for critical medical equipment and wearable devices.
• Telecommunications: Powering low-power components in communication infrastructure, such as base stations and routers.

Conclusion of REG101UA-3.3/2K5

The REG101UA-3.3/2K5 from Texas Instruments stands out as a robust and efficient linear regulator, offering a combination of low dropout voltage, high PSRR, and comprehensive protection features. Its compact 8SOIC package and surface mount compatibility make it an ideal choice for modern electronic designs. The device's compliance with REACH and ROHS3 standards ensures it meets the highest environmental and safety requirements. Whether powering embedded systems, consumer electronics, or industrial equipment, the REG101UA-3.3/2K5 delivers reliable performance and efficiency, making it a standout solution in the power management category.