Here D = Duty Cycle, which is = Transistor ON time / ON + OFF time of each PWM cycle How Buck Converters Work Basic Buck Boost EquationsÄŻor calculating inductors in buck boost SMPS circuits, we could derive the following two concluding formulas for a buck converter and for a boost converter respectively: You may want to summarize the details from the following articles, before embarking on the present article which deals with the inductor designing methods. In a few of my earlier posts we comprehensively studied regarding how SMPS buck and boost converters work, and we also deduced a few fundamental formulas for evaluating the important parameters like voltage, current and inductance in these converter circuits. We take the example of IC 555 boost converter and IC 555 buck converter typologies, and try to understand the optimizing techniques through equations and manual adjustments, for achieving the most optimal output response from these converter designs.
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