📖 Formulas used: Inductor L = (Vin - Vout)*D/(fsw·ΔI) for buck; L = Vin·D/(fsw·ΔI) for boost. Output capacitor based on ripple voltage: C = ΔI_L/(8·fsw·ΔVout) assuming low ESR. Voltage/current ratings include 20% safety margin.
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