Texas Instruments

LM2941T/LB04

LM2941T/LB04 Description

The LM2941T/LB04 is a linear positive adjustable voltage regulator designed by Texas Instruments, offering a versatile solution for power management applications. This regulator is housed in a TO220-5 package, making it suitable for through-hole mounting. It features an adjustable output voltage range from 5V to 20V, capable of delivering up to 1A of output current. The regulator is designed to operate with an input voltage up to 26V, ensuring compatibility with a wide range of power sources.

LM2941T/LB04 Features

• Adjustable Output Voltage: The LM2941T/LB04 provides an adjustable output voltage range from 5V to 20V, offering flexibility to meet various application requirements.
• High Output Current: With a maximum output current of 1A, this regulator can efficiently power demanding devices.
• Low Dropout Voltage: The regulator has a maximum dropout voltage of 1V at 1A, ensuring high efficiency even at low input-to-output voltage differentials.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, enabling power savings and controlled startup/shutdown sequences.
• Protection Features: The LM2941T/LB04 includes over-temperature, reverse polarity, and short-circuit protection, enhancing reliability and safeguarding against common failure modes.
• Low Quiescent Current: The regulator operates with a quiescent current of 10 mA, minimizing power consumption during standby or low-load conditions.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the regulator is suitable for storage and handling in various environmental conditions without the need for special precautions.
• Compliance: The product is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

LM2941T/LB04 Applications

The LM2941T/LB04 is ideal for a variety of applications where a reliable, adjustable voltage regulator is required. Some specific use cases include:

• Industrial Equipment: Powering control boards, sensors, and actuators in industrial automation systems.
• Telecommunications: Providing stable power to communication modules and base stations.
• Consumer Electronics: Used in devices such as routers, modems, and other electronic gadgets that require adjustable voltage regulation.
• Automotive: Suitable for automotive electronics where adjustable voltage and high current capabilities are essential.
• Medical Devices: Ideal for powering medical equipment that requires precise voltage control and high reliability.

Conclusion of LM2941T/LB04

The LM2941T/LB04 from Texas Instruments is a robust and versatile linear voltage regulator that offers adjustable output voltage, high output current, and essential protection features. Its low dropout voltage and low quiescent current make it an efficient solution for a wide range of applications. Despite being marked as obsolete, the LM2941T/LB04 remains a reliable choice for power management in various electronic systems, ensuring stable operation and enhanced reliability.