DATASHEETISL6277
Multiphase
PWM
Regulator
for
AMD
Fusion™
MobileNCROEPTCUROsEMIUNCMsTOEiEnMNRgMDSSEEILVNDPIDRA2EE.
RD0PTFLIOASRCL6EN2ME7E7WANDT EPSAIRGTNS
FN8270 Rev 1.
00
Mar 8, 2012
The ISL6277 is fully compliant with AMD Fusion™ SVI 2.
0 and provides a complete solution for microprocessor and graphics processor core power.
The ISL6277 controller supports two Voltage
Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility.
The Core VR can be configured for 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations.
The two VRs share a serial control bus to communicate with the AMD CPU and achieve l...