The present study delineates a new design for the digital voltage mode control of negative output elementary Luo converter, a recently invented DC-DC converter. The negative output elementary Luo converter is a new development in DC-DC converter technology. This converter exhibits highly non-linear dynamic behavior due to its time-varying and switching characteristics. Traditional controllers struggle to provide this converter with optimal dynamic performance. Thus, the transfer function can accurately simulate the whole Luo converter when voltage mode control is used. This modeling technique is particularly valuable in applications demanding a constant power source, such as aerospace and medical equipment. These converters offer great power density, efficiency, and a simple, cost-effective architecture. They are specifically made for positive to negative DC-DC voltage-increasing conversion.