REFICL5102U52WCCTOBO1

REF-ICL5102-U52W-CC demonstrates a low-cost PFC+LCC LED driver for non-dimmable indoor lighting applications, where the LED current can be switched among three fixed levels. To reduce the system cost, the LCC is equipped with an open loop control and compact integrated LCC transformer. The feedforward mechanism, the LED current spread is narrow in this open loop control. The LCC is operated at high frequency so that the series inductance of the LCC topology can be integrated into the transformer. Both integrated LCC transformer and open-loop design result in a low system cost.

• Low cost PFC+LCC topology for non-dimmable LED lighting where high light quality is required
• Open-loop LCC design with narrow LED current spread
• Integrated LCC transformer
• Feedforward to constrain the LED current spread in the open-loop design
• High frequency LCC

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