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What are the implications of floating the ground pin of the LM2937 or LM2940 LDO?

April 26, 2017floating ground implications LDO Pin

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What are the implications of floating the ground pin of the LM2937 or LM2940 LDO?

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It is difficult to pinpoint exactly what will happen inside the part because it depends on possible parasitic structures which allow current to flow through small geometries. It is highly likely that some weak junction will malfunction.