need some help with dc - dc buck and boost converter

Thread Starter


Joined Sep 12, 2012
Hi there - i am currently building a buck and a boost converters and i am not getting the output that i want. both the converters output have got very high voltage spike and also for the boost converter output there is a slight voltage dip.(refer to attached pics yellow waveform is the duty cycle and blue waveform is the output)

Anybody have any advice regarding the output these converters are giving? Like what can i do to remove these spikes? What could be causing these spikes? And what is with the slight voltage dip in the boost output? What can be done to improve the boost output?




Joined Nov 30, 2010
Please try again. I made the effort to get a magnifying glass, but I still can't see enough to understand what you posted.