The LM3406HVMHX is an integrated circuit component commonly used in the design of high-voltage LED driver solutions. It is specifically designed for driving high-brightness LED strings using a DC input voltage ranging from 6V to 42V. This IC offers a range of key features that make it suitable for various LED lighting applications.
1. Wide input voltage range: The LM3406HVMHX can accept input voltages ranging from 6V to 42V, allowing it to operate from a variety of power sources such as batteries, AC mains, or power supplies.
2. High current capability: It can deliver a constant current output of up to 1.5A, making it suitable for driving high-brightness LED strings containing multiple LEDs in series.
3. Efficient operation: The IC incorporates a high-efficiency synchronous buck regulator that minimizes power dissipation and maximizes energy utilization. This feature helps to enhance the overall energy efficiency of the LED lighting system.
4. Integrated high-side current sensing: The LM3406HVMHX integrates a high-side shunt resistor for accurate current sensing. This eliminates the need for an external current-sensing resistor, thereby reducing the component count and board space required for the LED driver circuit.
5. Adjustable current control: The device allows for adjustable LED current control through an external resistor. This feature enables precise current regulation according to the specific requirements of the LED string and offers flexibility in dimming or brightness control applications
