Texas Instruments

REG101NA-5/3K

REG101NA-5/3K Description

The REG101NA-5/3K is a high-performance linear voltage regulator designed by Texas Instruments. This device is part of the REG101 series, known for its reliability and efficiency in providing stable power supply solutions. The regulator features a fixed output voltage of 5V and is capable of delivering up to 100mA of output current. It operates with an input voltage range up to 10V, ensuring compatibility with a wide array of power sources. The regulator's low dropout voltage of 0.13V at 100mA ensures efficient operation even at low input-to-output voltage differentials, making it ideal for battery-powered applications where input voltage may vary.

REG101NA-5/3K Features

• Fixed Output Voltage: The REG101NA-5/3K provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Efficiency: With a low dropout voltage of 0.13V at 100mA, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The device features a quiescent current of 500 µA, minimizing power consumption during operation.
• Enable Control: The regulator includes an enable feature, allowing for dynamic control of the output voltage, which is useful in applications requiring power-saving modes.
• Protection Features: Over-current and over-temperature protection mechanisms ensure the regulator's longevity and reliability, safeguarding against potential damage from excessive current or heat.
• Surface Mount Packaging: The SOT23-5 package type facilitates easy integration into compact designs, making it suitable for space-constrained applications.
• Compliance and Reliability: The REG101NA-5/3K is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. Additionally, its moisture sensitivity level (MSL) of 1 (Unlimited) makes it highly durable in various environmental conditions.

REG101NA-5/3K Applications

The REG101NA-5/3K is well-suited for a variety of applications due to its high efficiency, low dropout voltage, and compact size. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics and IoT devices where input voltage may fluctuate and efficiency is crucial.
• Embedded Systems: Suitable for microcontroller-based systems requiring a stable 5V supply with low power consumption.
• Consumer Electronics: Can be used in devices such as smartphones, tablets, and wearables where space and power efficiency are critical.
• Industrial Applications: Applicable in industrial control systems and sensors that require reliable power supply solutions.

Conclusion of REG101NA-5/3K

The REG101NA-5/3K from Texas Instruments stands out as a robust and efficient linear voltage regulator. Its fixed 5V output, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring high efficiency and reliability. The inclusion of enable control and comprehensive protection features further enhances its versatility and durability. Whether used in battery-powered devices, embedded systems, or consumer electronics, the REG101NA-5/3K delivers consistent performance and ensures the longevity of connected devices.