RED2542 is an advanced LLC Controller IC for high efficiency low-cost Constant Voltage (CV) LED drivers up to 30W.
•Target IC Application: high efficiency low-cost Constant voltage (CV) LED Drivers up to 30W with RediSem’s passive PFC •Resonant half-bridge PPFC topology for excellent EMI using robust low-cost bipolar transistors•Optimised for optocoupler-based CV applications using secondary sensing• 50% duty cycle, variable frequency control of resonant half-bridge• +/-5% accurate limiting of output current using primary sensing regulation (PSR) •Boost current feature to ensure reliable startup with constant power loads•Protection modes:a. Overload output including short-circuitb. No-Load Outputc. Over-temperature shutdown•Low standby power•Small SOT23-6 IC package
Key Features
Order Details
• Code RED2542AL-TR7• SOT23-6 package on 7” tape & reel
RED2542 is an advanced LLC Controller IC for high efficiency low-cost Constant Voltage (CV) LED drivers up to 30W.
•Target IC Application: high efficiency low-cost Constant voltage (CV) LED Drivers up to 30W with RediSem’s passive PFC•Resonant half-bridge PPFC topology for excellent EMI using robust low-cost bipolar transistors•Optimised for optocoupler-based CV applications using secondary sensing• 50% duty cycle, variable frequency control of resonant half-bridge• +/-5% accurate limiting of output current using primary sensing regulation (PSR) •Boost current feature to ensure reliable startup with constant power loads•Protection modes:a. Overload output including short-circuitb. No-Load Outputc. Over-temperature shutdown•Low standby power•Small SOT23-6 IC package