Iso-Buck Converter Enables Smaller, More Efficient Isolated Power Supplies
Introduction
Isolated DC-DC voltage regulators are found in the most diverse applications. Although an isolated solution is more complex than a non-isolated one, there is still an expectation for it to fit in a small space and be highly efficient. This design solution discusses the reasons for isolation in low-voltage power conversion systems and reviews an isolated digital I/O module as an example.
Finally, a novel isolated architecture, dubbed “Iso-Buck”, is shown to be a better alternative to the classic flyback converter, yielding a more compact and more power-efficient solution.
The Iso-Buck architecture is enabled by the MAX17681, a 4.5V to 42V input, high-efficiency, DC-DC converter.
Iso-Buck Converter Enables Smaller, More Efficient Isolated Power Supplies
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