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I am currently trying to build a circuit for load switching with power mosfet. But at high frequencies i am getting irregular waveform. kindly help me to sort this out.
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what barry is trying to say, in his inimitable way, is that you need to provide the schematic, including the mosfet, the mosfet drive, and the loads being switched
you also need to provide the oscilloscope wave traces showing the irregular waveforms
and if you have good waveforms at lower frequencies, provide those also
help can be provided, but it requires information
It depends if the post #4 waveform is 100 µs or 1 µs scale. It's only been said that the "MOSFET is working perfectly till 1 kHz".I don´t think the 180 Ohms resistor causes the problem.