ISL78263

The ISL78263 is a Renesas synchronous buck-boost controller that regulates its output across a wide input range, so it works whether the input is above or below the output voltage, in a compact QFN package. It suits battery-powered and automotive systems where the rail moves across the output voltage, such as a battery that starts above and falls below the regulated level, and where a plain buck or boost converter would drop out of regulation. As a controller, it drives external switches, which lets a designer scale the current to the load, and its synchronous operation keeps the efficiency high across the input range. The device is part of Renesas's broad power portfolio, which it built on the technology it gained with Intersil and its own design teams, and it is supported by reference designs and FAE support. Choosing a buck-boost controller follows from the input range and the load, and the external switches must be chosen with the controller. Every device is factory-traceable and ships with an import declaration, a certificate of origin and RoHS documentation. BeiLuo holds this part in regional stock and our FAE team supports topology, switch selection and layout design.