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WEBENCH® Tools/LM25145: WEBENCH® Tools/LM25145

Expert 1215 points
Part Number: LM25145

Tool/software: WEBENCH® Design Tools

Hello,

Designing 12V/5A converter I've tried to take advantage of WEBENCH tool.

Proposed schematic is clear apart the one input 2.1Ohm resistor. I dont fully understand what is its purpose?

Is that about stability or EMC? How to deermine its value if it is necessary part of design.

Thank you,

Adam