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Forums
Engineering
Electrical Engineering
Getting a High Speed Synchronous N-Channel MOSFET Driver working right
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[QUOTE="TonyStewart, post: 6902905, member: 735459"] It is very difficult to even copy a good design because you don't know all the physical properties of conductors and insulators. When you combine that with a lack of understanding what to expect and lack of attention to ESR, DCR, Q, SRF Z(X(f) ZC(f), and FET Vgs vs Vt to control RdsOn and stored energy vs load energy with minor effects from Ciss, Coss for efficiency and thermodynamic properties makes your chance of success even smaller but not zero. My point is you have a lot to learn befoe you can successfully design SMPS to pass step load ringing , ripple and efficiency tests without self-destruction or NOGO. I suggest an eval kit and scope after a good SMPS simulator. There are a lot of things to learn. The wrong inductor and pulse f and no soft start even with the right values can cause trouble. [/QUOTE]
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Getting a High Speed Synchronous N-Channel MOSFET Driver working right
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