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Recent content by Gouwomb

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    [SOLVED] inductor current exceedes its saturation rating durin buck startup

    Hello Klaus, thank you for reply, I might be wrong, but soft start is seen on the plot as increasing peak current limit during first couple of cycles. So it looks like to me as soft start is too "short". "An inductor saturation rating minimum of 760 mA is recommended. " Yes it is true, but...
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    [SOLVED] inductor current exceedes its saturation rating durin buck startup

    Hello, I am designing buck converter using MCP16301 Vin 14V Vout 5V Iout 125mA https://ww1.microchip.com/downloads/en/devicedoc/20005004d.pdf I have chosen inductor for it: SRN3015TA-220M 22uH, saturation current 550mA https://www.bourns.com/docs/Product-Datasheets/SRN3015TA.pdf I have a...
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    Stabilising an ON/OFF controlled SMPS that has low output capacitance.

    Hello Treez, have a look at those: https://www.avx.com/products/ceramic-capacitors/stacked/
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    Boundary conduction mode flyback converter not working

    In my opinion it looks like output under voltage protection tripping in. Try to mess with voltage divider going to feedback pin (I assume it is primary side regulation).
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    [SOLVED] Is it some kind of start delay or transient filter circuit?

    Hello, I need to some help to find more information about circuit connected to ADJ pin (D2, R23, D1, R22, C54). Has this circuit a name (so I could google that)? What function it has? Is it some kind of start delay or transient filter circuit? Thanks, Greg
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