The FAN5240 is a two-phase PWM controller defined in cooperation with AD. This single-chip controller/driver meets the requirements for VCORE power in mobile AMD Athlon 4 and mobile AD Duron processors. The FAN5240 offers the features needed to achieve optimal performance at high efficiency over a wide load range. The output voltage is adjustable over the range of 0.925 V - 2.00 V by means of a 5-bit VID DAC with a controllable slew rate to meet the specification for AMD PowerNow! technology.