•Advanced LLC Controller IC for high efficiency low-cost Constant voltage (CV) LED DriversPFC•Resonant half-bridge 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 ensures reliable startup with constant power loads•Protection modes:a. Overload output including short-circuitb. No-Load Outputc. Over-temperature (internal or NTC)•Low standby power•Small SO8 IC package K
