Texas Instruments

REG101NA-2.8/3K  

Linear & Switching Voltage Regulators

REG101NA-2.8/3K Description

The REG101NA-2.8/3K is a linear regulator IC designed by Texas Instruments, featuring a fixed output voltage of 2.8V and a maximum output current of 100mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface mount applications. Despite its small form factor, the REG101NA-2.8/3K offers robust performance with a maximum input voltage of 10V and a dropout voltage of only 0.13V at 100mA. The regulator also includes essential protection features such as over-current and over-temperature protection, ensuring reliable operation under various conditions.

REG101NA-2.8/3K Features

• Fixed Output Voltage: The REG101NA-2.8/3K provides a stable output voltage of 2.8V, which is ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 0.13V at 100mA, this regulator maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: The quiescent current of 500 µA ensures minimal power consumption during operation, making it suitable for battery-powered devices.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the regulator and connected components from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator’s operation, enabling power savings and flexible system management.
• Compliance: The REG101NA-2.8/3K is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the regulator is suitable for a wide range of manufacturing environments.

REG101NA-2.8/3K Applications

The REG101NA-2.8/3K is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and high efficiency make it ideal for:

• Portable Devices: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology where space and power efficiency are critical.
• Consumer Electronics: Suitable for applications in consumer electronics such as smart home devices, gaming consoles, and digital cameras.
• Industrial Systems: Can be used in industrial control systems, sensors, and IoT devices where reliability and low power consumption are essential.
• Medical Devices: Applicable in medical equipment such as portable monitors and diagnostic tools that require stable power and compact design.

Conclusion of REG101NA-2.8/3K

The REG101NA-2.8/3K from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its fixed 2.8V output, low dropout voltage, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite its small form factor, the regulator offers high performance and efficiency, making it an excellent option for space-constrained designs. While the product is now obsolete, its legacy continues to influence the design of future power management solutions.

REG101NA-2.8/3K Documents

Download datasheets and manufacturer documentation for REG101NA-2.8/3K

Datasheets :

REG101