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WEBENCH® Tools/LMZ14203: 400mV ripple

Part Number:LMZ14203

Tool/software: WEBENCH® Design Tools

Hi all, I have some troubles with LMZ14203 DC-DC Step-down converter.

The Datasheet is declaring 8mVpp of ripple, while in reality I am measuring 340mV over my board.

This is the WEBENCH proposal:

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and this is the waveform from the simulator:

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Now I show you the real schematic:

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Ok, with this setup, I have the following waforms on the Oscilloscope:

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