The document describes the ZXRD1000 series of high-efficiency DC-DC converter solutions. The product features include > 95% conversion efficiency, fixed frequency PWM, voltage mode, low quiescent current, low battery flag, overload protection, etc. It is suitable for applications such as high-efficiency 5 to 3.3V converters, sub-notebook computers, embedded processor power supplies, distributed power supplies, portable instruments, GPS systems, etc.