This thesis is focused on the design and implementation of a multiphase buck converter which is suitable for low voltage output applications. The power stage consists of a two-phase synchronous buck converter in which the power devices are controlled with a phase shift of 180 degrees. For the prototype of two-phase buck converter, the specifications are as follows: input voltage = 5 V, output voltage = 1.8 V and output current = 20 A is built, switching frequency per phase = 200 kHz and the output power = 36 W. Experimental waveforms are measured to verify the designed two-phase synchronous buck converter.
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