Guest eemree87 Posted March 12, 2014 Report Share Posted March 12, 2014 Hi Everybody, I implemented a flyback converter, but while I am expecting a triangle shape current at primary side (in DCM) and a square wave current shape in CCM I measured sth like sinusoidal. I couldn’t get rid of it for one week. I need your suggestions and comments. Thanks .I explained the problem in details here:http://www.docdroid.net/a09f/flayback-primary-current-problem.pdf.html Quote Link to comment Share on other sites More sharing options...
indulis Posted May 19, 2014 Report Share Posted May 19, 2014 Where is the schematic? What is the output voltage & current? Where are you measuring the input current... directly across the I sense resistor? Do you have a RC fiter on it before the PWMTry to make it run without the active clamp first (just use RC or DRC snubbers). Quote Link to comment Share on other sites More sharing options...
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