The RT9164AGG is a synchronous buck PWM controller from Richtek Technology Corporation. It is designed to provide high performance and high efficiency in a wide range of DC-DC converter applications. The device integrates a high-performance regulator, voltage reference, and high-side driver with a fixed frequency current mode PWM controller. It houses all necessary circuits to form a synchronous PWM buck converter in a 16-pin SOIC package. Features include 100kHz to 600kHz switching frequency range, 4.0V to 16.5V input voltage range, over-voltage (OVP) protection, low-voltage lockout (LVO), and factory pre-set output voltage capability. The device is well suited for buck converter applications such as mobile adapters, notebook computers, and LCD TV applications.