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has been cited by the following article:

• TITLE: A Novel Over-Current Protection Technique Applied to Peak-Current Type DC-DC Converter

  AUTHORS: Yu Fang, Tengfei Wei, Liang He, Yong Xie, Yan Xing

  KEYWORDS: DC-DC Converter, Peak-Current Control, Constant Peak-Current Limiting

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.2 No.6, June 30, 2010

  ABSTRACT: The change of the over-current protection point of the power switches, caused by slope compensation, is analyzed in detail. It is discovered that the peak current protecting value increases as the duty cycle decreases. As a result, the safety operation of the switches is damaged greatly. A novel solution to improve over-current protection with constant peak current limitation is proposed by inducing synchronous slope compensation into the current limit function instead of the original constant voltage. The design principle and method of the protection circuit based on a UC3846 PWM controller for the interleaved dual-forward converter is presented. Experimental results are given to verify the analysis.