WEBENCH® Design Environments are unique and powerful software tools that deliver customized power, lighting, filtering, clocking, and sensing designs quickly. These easy-to-use tools help the user generate, optimize, and simulate designs that conform to their unique specifications. They allow the designer to make value-based tradeoffs at design, system, and supply chain levels before their design is committed to production. Designers can use WEBENCH to create customized power supplies or DC-DC converters for their circuits. This environment gives access to end-to-end power supply designs and prototyping tools. WEBENCH tools enable solving switching power supply design problems before building a prototype. This alleviates the time and trouble associated with traditional power supply design methods. Included in the WEBENCH toolset there is a device selection tool. This tool helps users find the best switching regulator or MOSFET controller for their power supply circuit. Many new parts are fully supported in WEBENCH, such as SIMPLE SWITCHER® regulators and MOSFET controllers.