The LM3405AXMKX/NOPB is a high-performance, constant current buck LED driver from Texas Instruments designed for driving a single power LED or multiple series-connected LEDs from a voltage source higher than the LED voltage. With its integrated 0.5A, 40V power MOSFET, it offers a compact and efficient solution for LED lighting applications.

Key Features

• Adjustable Output Current: Allows precise control of LED current up to 1.6A with an external resistor, ensuring flexible design options for various lighting needs.
• Wide Input Voltage Range: Operates from a 3V to 22V input, accommodating a variety of power sources, making it suitable for automotive, industrial, and general lighting applications.
• High Efficiency: Integrated power MOSFET and PWM dimming capability contribute to high efficiency and reduced power loss, enhancing battery life for portable solutions.
• Thermal Shutdown: Offers built-in thermal shutdown protection, safeguarding the device and the LEDs from overheating.
• Compact SOT-23 Package: The small form factor allows for easy integration into space-constrained applications while minimizing the impact on overall design size.

Applications

The LM3405AXMKX/NOPB is ideal for a wide range of applications, including:

• Portable and battery-powered LED lighting
• Automotive interior, exterior, and dashboard lighting
• Industrial and architectural lighting
• General purpose LED illumination

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the LM3405AXMKX/NOPB is no exception. It is designed to meet the rigorous standards of the industry, ensuring reliability and performance. The 'NOPB' suffix indicates that this product is offered in an eco-friendly "No Lead (Pb)" package, aligning with environmental regulations and consumer safety concerns.

Whether you're developing a new LED lighting solution or upgrading an existing design, the LM3405AXMKX/NOPB provides a versatile, efficient, and reliable choice for your LED driver needs.