Abstract:Synchronous rectifiers are widely used in low voltage and high current DC/DC converters to reduce conduction power loss. For popular and reliable topologies, such as Half-bridge, Push-pull and Phase-shifted Full-bridge, the application of self-driven synchronous rectification has design challenges due to the existence of dead times. Existing solutions are not suitable for wide input voltage ranges. This paper presents a new self-driven scheme which properly combines the signal from the transformer and output i… Show more
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