RED2421 is an advanced LED controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC, intended for high frequency CC LED drivers up to 22W and pin compatible with RED2401.
•Advanced LED Controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC•PSR - +/-5% Primary Side Regulation of LED current and voltage with no flicker•50% duty cycle, variable frequency control of resonant half-bridge• Automatic dead-time control and capacitive mode protection• Protection modes:a. Overloadb. No-Loadc. Over-temperature•Low output capacitance allows live LED connection• Very low output current ripple < 0.5%•Small SOT23-6 IC package
RED2421 is an advanced LED controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC, intended for high frequency CC LED drivers up to 22W and pin compatible with RED2401.
•Advanced LED Controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC•PSR - +/-5% Primary Side Regulation of LED current and voltage with no flicker•50% duty cycle, variable frequency control of resonant half-bridge• Automatic dead-time control and capacitive mode protection• Protection modes:a. Overloadb. No-Loadc. Over-temperature•Low output capacitance allows live LED connection• Very low output current ripple < 0.5%•Small SOT23-6 IC package