XC9215 / 9216 / 9217 Series 500mA Synchronous Step.
XC9217 - 500mA Synchronous Step-Down DC/DC Converter
XC9215 / 9216 / 9217 Series 500mA Synchronous Step-Down DC/DC Converters March 22, 2004 V4 * GO (Green Operation) Compatible Synchronous Step-down.