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Powering 65-90nm FPGAa and Processors Slide 11

The high switching frequency of the ADP210x allows for minimal output voltage ripple even with small inductors. The sizing of the inductor is a trade-off between efficiency and transient response in that a smaller inductor leads to larger inductor current ripple which provides excellent transient response but degrades efficiency. A list of minimum inductor values is provided here for common input/output voltage pairs.

PTM Published on: 2008-01-22