White Paper Explains How ZVS Technology Enables Higher Power Throughput in Buck Regulators

January 28, 2014
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The efficiency of conventional hard-switched niPOL regulators drops as the step-down ratio increases, and falls dramatically when required to accept a wide input range with step down ratios approaching 36:1. This means that designers have been forced to incorporate multiple converter stages, limiting the step-down ratio of each stage to maintain efficiency at acceptable levels.

The new Picor Cool-Power Buck Regulator family uses Zero Voltage Switching (ZVS) in a topology termed “ZVS Buck” to achieve high efficiency, power density and throughput capability, even when used in a wide input configuration that requires large step-down ratios. This white paper uses simulation models to explain how the ZVS Buck architecture achieves this breakthrough.

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