This chapter introduces the DC transformer model of the basic 2:1 switched-capacitor converter and extends the analysis to high-order switched-capacitor converters. Various topologies, including dividers, Dickson converters, series–parallel converters, ladder converters, Cockcroft–Walton converters, and Fibonacci converters, are explored in-depth. In addition, this chapter discusses the transformer model and provides a method for calculating important metrics of SSL (slow-switching limit) and FSL (fast-switching limit). A comparative analysis of the performance of these high-order SC converters highlights their distinct advantages and limitations. Furthermore, this chapter explores three-phase SC converters and the key insights gained from transformer models. The results from these analyses serve as the foundation for the development of hybrid converters.