XDP™ 8-phase dual loop digital multiphase controller The XDP™ XDPE12284C is a digital dual-rail 8-phase controller to power for Intel VR13, VR13HC, IMVP8 and IMVP9 server, workstation & high-end desktop applications. It offers flexible phase assignment between the two loops: 8+0, 7+1, ... ,4+4. Digital technology implements all control functions for flexibility & stability. Advanced control loop features enable optimal response to high slew rate load transients.