Operating principle įig 3: The two operating states of a non-isolated Äuk converter. The Äuk converter allows energy to flow bidirectionally by using a diode and a switch. Because the power transfer flows continuously via the capacitor, this type of switcher has minimized EMI radiation. For example, the coils may share single magnetic core, which drops the output ripple, and adds efficiency. There are variations on the basic Äuk converter. It is named after Slobodan Äuk of the California Institute of Technology, who first presented the design. It uses a capacitor as its main energy-storage component, unlike most other types of converters which use an inductor. Similar to the buckâboost converter with inverting topology, the output voltage of non-isolated Äuk is typically also inverting, and can be lower or higher than the input. It is essentially a boost converter followed by a buck converter with a capacitor to couple the energy. The Äuk converter (pronounced chook sometimes incorrectly spelled Cuk, Äuk or Cúk) is a type of DC/DC converter that has an output voltage magnitude that is either greater than or less than the input voltage magnitude.
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