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"Charging circuit"

Light Source and Application Technology : Regular Paper ;A Study on the Efficiency of a High Power Factor LED Driver Circuit
Dong Won Lee, Byung Cheul Kim
J Korean Inst Electr Electron Mater Eng 2013;26(8):629-634.   Published online August 1, 2013
DOI: https://doi.org/10.4313/JKEM.2013.26.8.629
The rectified voltage supplied to LED lamp is used in load and then the surplus voltage can be produced in LED lighting. In this case, LED lighting is proposed that can recyclable the excess voltage to supply power to the controller.
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