TI provides lighting system IC solutions that allow engineers to reduce time to market while bringing innovative features to their high end lighting designs. TI reference designs demonstrate innovative ways to achieve highly efficient LED lighting solutions while incorporating human centric lighting and wide dimming range.
This application report describes use of UCC28810 in a single-stage 70-W streetlight LED driver in AC/DC Flyback topology with fixed-frequency and constant on-time switching, to achieve power factor > 0.9 and current THD < 10%.
In this paper, the combined dimming solution (PWM and 1- to 10-V analog) based on the UCC28810/11 device is provided to meet today’s wider dimming range specification for the LED ceiling lamp application.
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