MAX17480

19-4443; Rev 0; 2/09 www.DataSheet4U.com KIT ATION EVALU E L B AVAILA AMD 2-/3-Output Mobile Serial VID Controller General Description Features o Dual-Output Fixed-Frequency Core Supply Controller Split or Combinable Outputs Detected at Power-Up Dynamic Phase Selection Optimizes Active/Sleep Efficiency Transient Phase Repeat Reduces Output Capacitance True Out-of-Phase Operation Reduces Input Capacitance Programmable AC and DC Droop Accurate Current Balance and Current Limit Integrated Drivers for Large SynchronousRectifier MOSFETs Programmable 100kHz to 600kHz Switching Frequency 4V to 26V Battery Input Voltage Range o 4A Internal Switch Northbridge SMPS 2.7V to 5.5V Input Voltage Range 2x Programmable Switching Frequency 75mΩ/40mΩ Power Switches o ±0.5% VOUT Accuracy over Line, Load, and Temperature o AMD SVI-Compliant Serial Interface with Switchable Address o 7-Bit On-Board DAC: 0 to +1.550V Output Adjust Range o Integrated Boost Switches o Adjustable Slew-Rate Control o Power-Good (PWRGD) and Thermal-Fault (VRHOT) Outputs o System Power-OK (PGD_IN) Input o Overvoltage, Undervoltage, and Thermal-Fault Protection o Voltage Soft-Startup and Passive Shutdown o < 1µA Typical Shutdown Current MAX17480 The MAX17480 is a triple-output, step-down, fixedfrequency controller for AMD’s serial VID interface (SVI) CPU and northbridge (NB) core supplies. The MAX17480 consists of two high-current SMPSs for the CPU cores and one 4A internal switch SMPS for the NB core. The two CPU co...