SMAKN&reg; DC-DC 55V 48V 36V 24V Step Down To 12V 10A Switching Power Module Module Properties: Non-isolated High efficiency synchronous buck regulator, constant voltage module. Scope: High-power automotive power. A variety of high-current, wide input voltage requirements of the occasion. Input voltage: DC14-50V (limit of about 56V) (Prohibition AC input). Output voltage: DC12V. Output Current: rated 10A, 12A (max).