Review of Isolated DC-DC Converter for Wide Voltage Range Regulation

In wide input and output voltage applications, resonant converters have received broad attention due to their high efficiency and high power density. This article will provide a topology summary and comparison from single-stage topology and other topologies. The topologies are applicable to wide input and output voltage range scenarios. For the single-stage topology, the existing voltage regulation improvement strategies will be introduced separately on the primary side, transformer side, and secondary side. For other topologies, this paper introduces the voltage regulation improvement strategies of two-stage topology, quasi-single-stage topology and LCLC resonant topology. This article will compare the advantages and disadvantages of different topologies in detail, and provide a reference for wide range voltage regulation topology applications.