The LM3401N from Texas Instruments is a highly efficient and versatile device designed to manage and control the power supply in a variety of electronic systems.

• Description: Monolithic switching regulator specifically designed for driving high power, high brightness LEDs (HBLEDs) with a constant current.
• Input Voltage: 4.5 V to 35 V
• Load Currents: Up to 1 A
• Topology: Floating buck topology
• Features: Internal power switch and an internal current sense resistor
• Control Scheme: Fixed frequency pulse width modulation (PWM) control scheme
• Dimming Control: Dimming control input
• Package: 8-pin National Semiconductor standard small outline (SO) package
• Protection: Thermal shutdown protection
• Applications: General illumination, automotive lighting, LCD backlighting, and other LED lighting applications