A 40 V 10 W 93%-Efficiency Current-Accuracy-Enhanced Dimmable LED Driver With Adaptive Timing Difference Compensation for Solid-State Lighting Applications

@article{Park2013A4V,
  title={A 40 V 10 W 93%-Efficiency Current-Accuracy-Enhanced Dimmable LED Driver With Adaptive Timing Difference Compensation for Solid-State Lighting Applications},
  author={Dongkyung Park and Zhidong Liu and Hoi Lee},
  journal={Proceedings of the IEEE 2013 Custom Integrated Circuits Conference},
  year={2013},
  pages={1-4}
}
This paper presents a floating-buck dimmable LED driver for solid-state lighting applications. In the proposed driver, an adaptive timing difference compensation (ATDC) is developed to adaptively adjust the off-time of the low-side power switch to enable the driver to achieve high accuracy of the average LED current over a wide range of input voltages and number of output LED loads, fast settling time, and high operation frequency. The power efficiency benefits from the capabilities of using… CONTINUE READING
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