Texas Instruments

LM1084IT-12/NOPB

LM1084IT-12/NOPB Description

The LM1084IT-12/NOPB is a high-performance linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and is known for its robust performance and reliability. It features a fixed output voltage of 12V and is capable of delivering a maximum output current of 5A. The LM1084IT-12/NOPB is designed to operate with an input voltage range up to 18V, making it suitable for a wide range of applications where stable power supply is critical.

The regulator is housed in a Through Hole package, specifically the TO220-3 format, which is known for its excellent thermal performance and mechanical robustness. The device has a dropout voltage of 1.5V at 5A, ensuring efficient operation even under high load conditions. It also features a quiescent current of 10 mA, which helps in minimizing power consumption during standby or low-load conditions.

LM1084IT-12/NOPB Features

The LM1084IT-12/NOPB offers several unique features that set it apart from similar models in the market:

• Fixed Output Voltage: The regulator provides a stable 12V output, ensuring consistent power supply to connected devices.
• High Current Capability: With a maximum output current of 5A, it can support demanding applications requiring high power.
• Low Dropout Voltage: The maximum dropout voltage of 1.5V at 5A ensures efficient operation and minimal power loss.
• Protection Features: The device includes over-current and over-temperature protection, safeguarding it against potential damage from excessive current or heat.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 60dB at 120Hz ensures that the regulator can effectively filter out noise from the input power supply, resulting in cleaner output voltage.
• Compliance and Reliability: The LM1084IT-12/NOPB is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a Moisture Sensitivity Level (MSL) of 1, indicating it is suitable for unlimited exposure to standard indoor ambient conditions.

LM1084IT-12/NOPB Applications

The LM1084IT-12/NOPB is ideal for a variety of applications where a stable and reliable power supply is essential. Some specific use cases include:

• Industrial Equipment: Providing stable power to control systems, sensors, and actuators in industrial environments.
• Telecommunications: Supplying power to base stations, routers, and other telecom equipment where consistent voltage is crucial.
• Medical Devices: Ensuring reliable power for medical instruments and monitoring equipment.
• Consumer Electronics: Powering high-current devices such as amplifiers, gaming consoles, and other consumer electronics that require a stable 12V supply.

Conclusion of LM1084IT-12/NOPB

The LM1084IT-12/NOPB is a versatile and reliable linear voltage regulator designed to meet the demands of high-current applications. Its fixed 12V output, combined with a maximum input voltage of 18V and a dropout voltage of 1.5V at 5A, makes it an efficient choice for various industrial and consumer applications. The inclusion of over-current and over-temperature protection features further enhances its robustness and reliability. Despite being marked as obsolete, the LM1084IT-12/NOPB remains a valuable component for engineers and designers seeking a dependable power solution.