STMicroelectronics

LD1084D2M33

LD1084D2M33 Description

The LD1084D2M33 is a fixed-output linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a D2PAK-3 package. It offers a fixed output voltage of 3.3V and is capable of delivering a maximum output current of 5A. The regulator is designed to operate with an input voltage range up to 30V, making it suitable for a variety of power supply applications. Despite its obsolescence, the LD1084D2M33 remains a reliable choice for applications requiring stable power regulation.

LD1084D2M33 Features

• Fixed Output Voltage: The LD1084D2M33 provides a stable output voltage of 3.3V, ensuring consistent power delivery to connected devices.
• High Output Current: With a maximum output current of 5A, this regulator can support high-power applications, making it ideal for demanding electronic systems.
• Low Dropout Voltage: The regulator has a maximum dropout voltage of 1.5V at 5A, which allows it to maintain regulation even when the input voltage is close to the output voltage.
• Protection Features: The LD1084D2M33 includes over-temperature and short-circuit protection, enhancing its reliability and safety in various operating conditions.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 72dB at 120Hz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Low Quiescent Current: The quiescent current of 10 mA ensures efficient power consumption, making the regulator suitable for applications where power efficiency is critical.
• Surface Mount Technology: The surface mount package type allows for easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the regulator is suitable for use in environments with varying humidity levels without requiring special handling.

LD1084D2M33 Applications

The LD1084D2M33 is well-suited for a range of applications that require stable and reliable power regulation. Some specific use cases include:

• Embedded Systems: Providing stable power to microcontrollers, sensors, and other components in embedded systems.
• Industrial Equipment: Ensuring consistent power supply in industrial control systems, automation equipment, and machinery.
• Communication Devices: Powering communication modules, routers, and other networking equipment.
• Consumer Electronics: Used in devices such as smartphones, tablets, and other portable electronics where stable power is essential.
• Automotive Applications: Suitable for automotive electronics, including infotainment systems and electronic control units, due to its robustness and protection features.

Conclusion of LD1084D2M33

The LD1084D2M33 is a versatile and reliable linear regulator that offers a fixed 3.3V output voltage and a maximum output current of 5A. Its low dropout voltage, high PSRR, and protection features make it a robust solution for various power management applications. Despite being marked as obsolete, the LD1084D2M33 remains a valuable component for designers and engineers seeking a stable and efficient power regulation solution. Its surface mount package and moisture sensitivity level rating further enhance its suitability for a wide range of environments and applications.