Active Power Factor Correction (PFC) Circuit With Resistor-Free Zero-Current Detection
作者： Yong-Seong Roh , Young-Jin Moon , Jung-Chul Gong , Changsik Yoo
DOI: 10.1109/TPEL.2010.2070080
关键词:
摘要: An active power-factor correction (PFC) circuit is presented that employs a newly proposed resistor-free zero-current detection (ZCD). While the conventional ZCD requires either sensing resistor or auxiliary transformer, only one OFF-chip capacitor. The PFC with has been implemented in 0.35-μm BCDMOS process and power factor improved up to 9% from employing ZCD. scheme can be applied any type of switch-mode dc-dc converter.
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