Pulse Width — Modulated Dc-dc Converters

D=TonT×100%cap D equals the fraction with numerator cap T sub o n end-sub and denominator cap T end-fraction cross 100 %

An LC filter (inductor and capacitor) is used to smooth the pulsed signal into a stable DC output. Primary Converter Topologies Pulse Width Modulated DC-DC Converters

Steps up a lower input voltage to a higher output voltage. D=TonT×100%cap D equals the fraction with numerator cap

A higher duty cycle increases the average output voltage; a lower duty cycle decreases it. The primary mechanism of a PWM converter is

The primary mechanism of a PWM converter is the , which is the ratio of the switch "on-time" ( Toncap T sub o n end-sub ) to the total switching period (

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.