Buck-Boost (Inverter) calculator
Inverting Buck-boost diagram¶

Theory of inverter Boost Inverter Converter
Basics (CCM mode)¶
Estimated Duty Cycle (%): N/A
Feedback Resistance R2 (kΩ): N/A
$$D=\cfrac{1}{1-\cfrac{V_{in}}{V_{out}}}$$
$$V_{ref}=V_{out}\left(\cfrac{R_2}{R_1+R_2}\right)$$
Inductor (L) selection¶
Inductance (µH): N/A
RMS Inductor Current (A): N/A
Peak Inductor Current (A): N/A
$$L=\cfrac{V_{in}D}{F_s\Delta{}I_{L}}$$
Input voltage ripple or Input capacitor selection¶
Input voltage ripple (mVpp): N/A
$$V_{i,pp}(ripple)=\Delta{}I_L\left(\left(R_{ESR}+1/j2\pi{}F_sC_{in}\right)||j2\pi{}F_sL_{trace}\right)$$
Output voltage ripple or Output capacitor selection¶
Output Voltage Ripple (mVpp): N/A
$$V_{o,ripple}=\cfrac{I_{load}*D}{C_{out}*F_s}+R_{ESR}\Delta{}I_L$$