LM1085ISX-3.3/NOPB 3A Low Dropout (LDO) Linear Voltage Regulator – Stable Fixed 3.3V Output

Description

The LM1085ISX-3.3/NOPB is a high-performance, low-dropout (LDO) linear voltage regulator specifically designed to deliver a stable, fixed 3.3V output at a robust 3A current capacity. Engineered to bridge the gap between input and output with minimal voltage difference, this regulator significantly reduces power dissipation and heat generation compared to standard linear regulators, making it an ideal choice for high-current applications that demand efficiency and compact thermal management.

This regulator is a workhorse for modern electronics, providing a steady and noise-free voltage rail essential for microcontrollers, communication modules, and high-speed digital logic. Housed in a durable surface-mount package, it is designed for seamless integration into high-density PCB layouts, ensuring reliable performance in demanding industrial environments and complex electronic systems.

Key Features

• Stable Fixed 3.3V Output: Provides a precise, reliable voltage rail for sensitive 3.3V digital components, eliminating the need for external setting components.
• 3A Current Capacity: Delivers significant current for high-demand loads such as communication modules (Wi-Fi, Bluetooth, LTE) and high-performance microcontrollers.
• Low Dropout Performance: Efficient operation with minimal voltage overhead, resulting in reduced heat production and improved overall system energy efficiency.
• Internal Safety Protections: Features comprehensive built-in thermal shutdown and current-limiting circuitry to protect your circuit from overloads and thermal runaway.
• Compact SMD-3 Surface-Mount Package: Designed for modern, automated PCB manufacturing, saving space while offering superior thermal conductivity.

Application

• Embedded Systems: Ideal for powering demanding 3.3V-based microcontrollers, FPGAs, and digital signal processors.
• Communication Infrastructure: Provides clean and stable power for RF, networking, and high-speed communication modules.
• Industrial Automation: A robust, high-current choice for PLCs, field sensors, and localized control power rails.
• Consumer Electronics: Perfect for stable power management in home appliances, set-top boxes, and high-end consumer gadgets.
• Custom Prototyping: A fundamental, high-current solution for developers and engineers building reliable power distribution boards.

Package Includes

• 1 x LM1085ISX-3.3/NOPB 3A Fixed 3.3V Linear Voltage Regulator (SMD-3)

Technical Specifications

Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.