The LM3404MRX/NOPB from Texas Instruments is a state-of-the-art, high-performance, constant current buck regulator designed for power LED applications.

• Description: Designed to provide a constant current for high brightness LED applications.
• Input Voltage Range: 6V to 42V.
• Output Current: Adjustable output current of up to 1A.
• Feature: High-side current sense.
• Efficiency: High-efficiency solution.
• Protection: Cycle-by-cycle current limit, thermal shutdown, and output over-voltage protection.
• Package: Compact, surface-mount package.
• Operating Temperature: Wide operating temperature range, from -40°C to 125°C.