XC9265 Ultra-Low Power Step-Down DC/DC Converters Torex XC9265 Step-Down DC/DC Converters provide ultra-low power consumption during operation. Torex XC9265 DC/DC Converters combine a 0.5Ω P-channel driver transistor and a 0.5Ω synchronous N-channel switching transistor, making them ideal for battery-powered applications.