Power Tips # 141: Tips and tricks for achieving wide operating ranges with LLC resonant converters

Power Tips # 141: Tips and tricks for achieving wide operating ranges with LLC resonant converters

Inductor-inductor-capacitor (LLC) resonant converters have a couple of appealing characteristics for applications requiring an isolated DC/DC converter such as minimal switching losses, no reverse recovery when operating below the resonant frequency and the ability to tolerate large leakage inductance within the transformer. The challenge A primary challenge when designing an LLC converter with a wide…

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