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| Design of SMPS - Not sure what these spikes are being caused by. |
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| b_force:
Still missing a snubber in this circuit. |
| Zog:
I think I mentioned that :) The original one is there C11 and R7. |
| b_force:
--- Quote from: Zog on May 20, 2018, 10:47:33 am ---I think I mentioned that :) The original one is there C11 and R7. --- End quote --- I am talking about a snubber across the MOSFET. |
| Zog:
Of course. Please read back a few pages. It has been mentioned :) Indeed it has even been drawn ! :) Edit: this is the droid you are looking for master skywalker https://www.eevblog.com/forum/projects/design-of-smps-not-sure-what-these-spikes-are-being-caused-by/msg1550420/#msg1550420 P.S. do you have any clues as to why a center tap would reduce the amps out ? ;D |
| b_force:
--- Quote from: Zog on May 20, 2018, 11:13:38 am ---Of course. Please read back a few pages. It has been mentioned :) Indeed it has even been drawn ! :) Edit: this is the droid you are looking for master skywalker https://www.eevblog.com/forum/projects/design-of-smps-not-sure-what-these-spikes-are-being-caused-by/msg1550420/#msg1550420 P.S. do you have any clues as to why a center tap would reduce the amps out ? ;D --- End quote --- Ok, my apologies. It's not showing in the schematic in your last post, so that's a little confusing ;) With the center tap probably something has to do with halving the inductance maybe With a center tap I would suggest using a higher value. |
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