How to Ensure DC-DC Converter Stability

February 6, 2012

Most power system designers are aware that the impedance of their power input source should be small compared to the input impedance of their switch-mode DC-DC converter to ensure its stable operation. Also, many designers connect a large electrolytic capacitor across their DC-DC converter input to further increase stability. This article explains why these factors are important and offers designers advice on how to comply with them.

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2 Responses to:
How to Ensure DC-DC Converter Stability

  1. Keith Kirby on February 15, 2012 at 9:17 AM

    A useful article, however, I think a couple of diagrams would help significantly.

  2. David Thompson on February 10, 2012 at 6:02 AM

    A most helpful and useful set of comments to amke students aware of these aspects of power conversion.

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