STMicroelectronics

LD1085V18  

Linear & Switching Voltage Regulators

LD1085V18 Description

The LD1085V18 is a linear voltage regulator from STMicroelectronics, designed to provide a stable 1.8V output at a maximum current of 3A. With a fixed output type and a positive output configuration, this regulator is well-suited for a variety of applications requiring precise voltage regulation. Despite being classified as obsolete, the LD1085V18 remains a reliable choice for existing designs that require its specific output characteristics.

LD1085V18 Features

• Output Type: Fixed, ensuring consistent output voltage regardless of input variations.
• Voltage - Input (Max): 30V, allowing for a wide range of input voltages.
• Current - Output: 3A, capable of handling high current demands.
• Number of Regulators: 1, providing a single output for simplicity in design.
• Output Configuration: Positive, suitable for applications requiring a positive voltage reference.
• Product Status: Obsolete, indicating that it may not be available for new designs.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no sensitivity to moisture.
• Current - Quiescent (Iq): 10 mA, minimizing power consumption in standby mode.
• PSRR: 72dB (120Hz), providing excellent power supply rejection ratio for stable operation.
• Protection Features: Over Current and Over Temperature, safeguarding against potential damage.

LD1085V18 Applications

The LD1085V18 is ideal for applications where a stable 1.8V output is required, such as:

• Power Supplies: Providing a reliable voltage reference for various electronic devices.
• Industrial Equipment: Ensuring consistent operation in demanding environments.
• Automotive Electronics: Offering a stable power source for automotive systems.

Conclusion of LD1085V18

While the LD1085V18 is now considered obsolete, it remains a viable option for existing designs that require its specific output characteristics. Its fixed output, positive configuration, and ability to handle high currents make it suitable for a range of applications. The LD1085V18's compliance with environmental standards and protection features also make it a responsible choice for maintaining legacy systems. For new designs, it is recommended to explore alternative models that offer similar performance benefits and are actively supported by the manufacturer.

LD1085V18 Documents

Download datasheets and manufacturer documentation for LD1085V18

Datasheets :

LD1085xx      

HTML Datasheet :

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