MAX8796

CONFIDENTIAL INFORMATION—RESTRICTED TO INTEL® IMVP-6 LICENSEES 19-2452; Rev 1; 8/08 KIT ATION EVALU E L B A IL AVA 1-Phase Quick-PWM Intel IMVP-6/GMCH Controller General Description Features o 1-Phase Quick-PWM Controller o ±0.5% VOUT Accuracy Over Line, Load, and Temperature o 7-Bit IMVP-6 DAC (MAX8796/MAX17401 Only) o 5-Bit GMCH DAC o Active Voltage Positioning with Adjustable Gain o Accurate Droop and Current Limit o Remote Output and Ground Sense o Adjustable Output-Voltage Slew Rate o Power-Good Window Comparator o Power Monitor o Temperature Comparator o Drives Large Synchronous Rectifier FETs o 2V to 26V Power Input Range o Adjustable Switching Frequency (600kHz max) o Output Overvoltage Protection (MAX8796/ MAX8797 Only) o Undervoltage and Thermal-Fault Protection o Soft-Startup and Soft-Shutdown o Internal Boost Diodes MAX8796/MAX8797/MAX17401 The MAX8796/MAX8797/MAX17401 are 1-phase QuickPWM™ step-down VID power-supply controllers for Intel notebook CPUs and graphics. The Quick-PWM control provides instantaneous response to fast load current steps. Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows ideal positioning compensation for tantalum, polymer, or ceramic bulk output capacitors. The MAX8796/MAX8797/MAX17401 are intended for two different notebook CPU/GPU core applications: either bucking down the battery directly to create the core voltage, or else bucking down the +5V system supply. The single-stage c...