High power factor Flyback converter for LED driver with Boundary Conduction Mode control

  title={High power factor Flyback converter for LED driver with Boundary Conduction Mode control},
  author={Tzuen-Lih Chern and Li-Hsiang Liu and Ching-Nan Huang and Yu-Lun Chern and Jao-Hwa Kuang},
  journal={2010 5th IEEE Conference on Industrial Electronics and Applications},
A varying-frequency control Flyback rectifier for LED driving in Boundary-Conduction Mode (BCM) is presented. Comparing with Discontinuous-Conduction Mode, BCM has the advantages like smaller coupling inductor current, less current stress for circuit component, slight output current ripple, and higher power factor performance. For lower output application circumstance, the boundary conduction mode can be chosen with smaller inductance value. In this control scheme, input line voltage sensing… CONTINUE READING
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