STMicroelectronics

LD1084D2M90R

LD1084D2M90R Description

The LD1084D2M90R is a high-performance linear voltage regulator designed by STMicroelectronics. This regulator is characterized by its fixed output voltage of 9V and a robust current handling capability of up to 5A. It is designed to operate efficiently within an input voltage range up to 30V, making it suitable for a variety of applications requiring stable power supply. The regulator features a dropout voltage of 1.5V at 5A, ensuring minimal power loss and high efficiency.

The LD1084D2M90R is housed in a D2PAK-3 package, which is ideal for surface-mount applications. This package type offers excellent thermal performance and mechanical robustness, making it suitable for high-power applications. The regulator also includes over-temperature and short-circuit protection features, enhancing its reliability and safety in operation.

LD1084D2M90R Features

• Fixed Output Voltage: The LD1084D2M90R provides a stable 9V output voltage, ensuring consistent performance in applications requiring a fixed voltage supply.
• High Current Capability: With a maximum output current of 5A, this regulator can handle high-power loads, making it suitable for demanding applications.
• Low Dropout Voltage: The maximum dropout voltage of 1.5V at 5A ensures high efficiency, particularly in applications where the input voltage is close to the output voltage.
• Protection Features: Over-temperature and short-circuit protection features enhance the reliability and safety of the regulator, safeguarding it against potential damage.
• Surface Mount Packaging: The D2PAK-3 package is designed for surface-mount applications, offering excellent thermal performance and mechanical robustness.
• Low Quiescent Current: A quiescent current of 10 mA ensures minimal power consumption during operation, contributing to overall system efficiency.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 70dB at 120Hz, ensuring minimal noise and ripple in the output voltage.

LD1084D2M90R Applications

The LD1084D2M90R is ideal for a wide range of applications where a stable and efficient power supply is required. Its high current capability and fixed output voltage make it suitable for:

• Power Supply Units: Providing a stable 9V supply for various electronic devices and systems.
• Industrial Equipment: Ensuring reliable power for industrial applications requiring high current and stable voltage.
• Consumer Electronics: Suitable for powering devices that require a fixed voltage and high current, such as amplifiers and other high-power consumer electronics.
• Telecommunications: Ideal for powering telecommunication equipment that requires a stable and efficient power supply.

Conclusion of LD1084D2M90R

The LD1084D2M90R from STMicroelectronics is a versatile and reliable linear voltage regulator designed for high-current applications. Its fixed 9V output, combined with a low dropout voltage and robust protection features, makes it an excellent choice for applications requiring stable and efficient power supply. The D2PAK-3 surface-mount package ensures excellent thermal performance and mechanical robustness, further enhancing its suitability for demanding applications. Despite being marked as obsolete, the LD1084D2M90R remains a valuable component for engineers and designers seeking a reliable and high-performance linear regulator.