The idea behind a switching buck converter is to pulse width modulate the current to an inductor so that it produces ... You’ll see the ESR adds ripple to the output. The green trace is 0. ...

[Great Scott] should win an award for quickest explanation of a buck converter ... He then adds an inductor and diode, this keeps the current from dropping too fast, but the PWM just isn ...

These types of converters are called two-level DC-DC converters because of the two voltage levels of the inductor ... buck, transformer is a step-down transformer that outputs a lower secondary ...