Buck Converter Calculator

Design a step-down DC-DC buck converter with inductor and capacitor sizing.

DC input voltage.
V
Desired DC output voltage.
V
Load current.
A
Converter switching frequency in kHz.
kHz
Desired inductor current ripple as percentage of load.
%

Results

Duty Cycle-%
Min Inductance-µH
Peak Inductor Current-A
References: Erickson & Maksimovic Fundamentals of Power Electronics; TI Application Notes