Steps down a higher input voltage to a lower output voltage.
Can either step up or step down the voltage, though it often produces an inverted (negative) output voltage relative to the input. Key Advantages
While the pulse width varies, the frequency typically remains constant, often in the kilohertz (kHz) to megahertz (MHz) range to minimize the size of passive components.
PWM DC-DC converters are categorized based on their ability to step voltage up or down: