STMicroelectronics

LD1085D2T18R  

Linear & Switching Voltage Regulators

LD1085D2T18R Description

The LD1085D2T18R is a fixed output linear regulator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This regulator is part of the Power Management (PMIC) category and is housed in a D2PAK surface mount package. It provides a stable 1.8V output voltage with a maximum current capability of 3A. The regulator is designed to operate with an input voltage range up to 30V, making it suitable for a wide range of applications. Despite its obsolescence status, the LD1085D2T18R remains a reliable choice for power management solutions, offering robust performance and essential protection features.

LD1085D2T18R Features

• Output Type: Fixed at 1.8V, ensuring stable and consistent power delivery.
• Input Voltage Range: Capable of handling up to 30V, providing flexibility in power supply design.
• Output Current: Delivers up to 3A, suitable for high-current applications.
• Dropout Voltage: Maximum of 1.5V at 3A, ensuring efficient operation even at lower input voltages.
• Quiescent Current: Low quiescent current of 10mA, 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, safeguarding the regulator and connected circuits.
• Package: D2PAK surface mount, offering a robust and space-efficient solution.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), suitable for various manufacturing environments.

LD1085D2T18R Applications

The LD1085D2T18R is ideal for applications requiring a stable and reliable power supply with a fixed output voltage. Its high current capability and efficient dropout voltage make it suitable for:

• Embedded Systems: Providing stable power to microcontrollers and other embedded components.
• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Supplying power to sensors, actuators, and control systems.
• Telecommunications: Ensuring reliable power delivery in communication devices and infrastructure.
• Automotive Electronics: Suitable for in-vehicle systems where high current and stable voltage are critical.

Conclusion of LD1085D2T18R

The LD1085D2T18R is a versatile and reliable linear regulator that offers a fixed 1.8V output with a maximum current of 3A. Its low dropout voltage, high PSRR, and robust protection features make it an excellent choice for applications requiring stable and efficient power management. Despite being marked as obsolete, the LD1085D2T18R remains a valuable component in the electronics industry, providing a proven solution for various power management needs. Its compliance with environmental and safety standards further enhances its suitability for modern electronic designs.

LD1085D2T18R Documents

Download datasheets and manufacturer documentation for LD1085D2T18R

Datasheets :

LD1085xx      

HTML Datasheet :

LD1085xx