AP64202 Synchronous Buck Converter Diodes Incorporated AP64202 Synchronous Buck Converter fully integrates a 150mΩ high-side power MOSFET and an 80mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. In addition, the Diodes Inc AP64202 Synchronous Buck Converter minimizes external component count with a peak current mode control and its integrated loop compensation network.