In today’s computing environment, the complexity of CPUs, FPGAs, ASICs, and even peripherals are increasing everyday. At the same time, their power transmission requirements are also the same. In order to meet these higher requirements, multi-phase regulators come in place. It is becoming more and more common to use these on motherboards, in computing fields from laptops and tablets to servers, and Ethernet switch. Designing with these regulators is very challenging compare of using traditional switches and linear regulators, but the benefits of multiphase outweigh the complexity of high-performance power supplies application. With the dual-channel buck converter IC series from HTT product series, multi-phase DC-DC is much easier to be implemented in a single chip, thus making the HTT solution unique, small, and easy-to-use. The following is our brief introduction for showing the benefits and using of multiphase DC-DC, as well as the benefits of using the HTT chipset to achieve Dual or Multiphase functions.