STMicroelectronics

LD1085DT25R

LD1085DT25R Description

The LD1085DT25R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for applications requiring a stable and reliable power supply. The LD1085DT25R features a fixed output voltage of 2.5V and is capable of delivering a maximum output current of 3A. It operates with an input voltage range up to 30V, ensuring compatibility with a wide array of power sources. The regulator is housed in a DPAK package, which is suitable for surface-mount applications, making it ideal for compact and high-density designs.

LD1085DT25R Features

• Output Type: Fixed, providing a stable 2.5V output voltage.
• Input Voltage Range: Up to 30V, offering flexibility in power source selection.
• Output Current: Capable of delivering up to 3A, making it suitable for high-current applications.
• Number of Regulators: Single regulator, simplifying design and reducing component count.
• Output Configuration: Positive, ensuring compatibility with most electronic systems.
• Voltage Dropout: Maximum of 1.5V at 3A, enhancing efficiency and reducing power loss.
• Quiescent Current: Low quiescent current of 10 mA, minimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): 72dB at 120Hz, providing excellent noise rejection and stable output.
• Protection Features: Over-current and over-temperature protection, ensuring robustness and reliability.
• Compliance: REACH unaffected and ROHS3 compliant, meeting environmental and safety standards.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for various manufacturing environments.
• Mounting Type: Surface Mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

LD1085DT25R Applications

The LD1085DT25R is well-suited for a variety of applications where a stable and efficient power supply is crucial. Its high output current and fixed voltage make it ideal for powering microcontrollers, digital signal processors (DSPs), and other sensitive electronic components. The regulator's low dropout voltage ensures minimal power loss, making it suitable for battery-powered devices and portable electronics. Additionally, its over-current and over-temperature protection features make it a reliable choice for industrial and automotive applications where robustness and reliability are paramount.

Conclusion of LD1085DT25R

The LD1085DT25R from STMicroelectronics is a versatile and reliable linear voltage regulator designed to meet the demands of modern electronic systems. Its fixed 2.5V output and high 3A current capability, combined with a low dropout voltage and comprehensive protection features, make it an excellent choice for a wide range of applications. The DPAK package and surface-mount design ensure compatibility with compact and high-density PCB layouts, while compliance with REACH and ROHS3 standards guarantees environmental and safety considerations are met. Despite its obsolete status, the LD1085DT25R remains a valuable component for engineers seeking a stable and efficient power solution.