MAX8796, MAX8797, MAX17401 1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers 1-Phase, Intel IMVP-6/6+ Controllers Ideal for Atom CPU and UMPC Designs Overview Technical Documents Ordering Info Related Products User Comments (0) All Status Data Sheet Request Full Data Sheet Part Number Status Custom Order MAX17401 Active: In Production. MAX8796 Active: In Production. MAX8797 Custom Order: Minimum order quantities and other restrictions may apply. Description The MAX8796/MAX8797/MAX17401 are 1-phase Quick-PWM 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 conversion method allows this device to directly step down high-voltage batteries for the highest possible efficiency. Alternatively, 2-stage conversion (stepping down the +5V system supply instead of the battery) at higher switching frequency provides the minimum possible physical size. A slew-rate controller allows controlled transitions between VID codes. A thermistor-based temperature sensor provides programmable thermal protection. A power monitor provides an analog voltage output proportional to the power consumed by the CPU/GPU. The MAX8796/MAX17401 implement both the Intel IMVP-6 CPU core specifications, as well as the Intel GMCH graphics core specifications. The MAX8797 implements the Intel GMCH graphics core specifications. The MAX8796/MAX17401 are available in a 32-pin TQFN package. The MAX8797 is available in a 28-pin TQFN package. Key Features Applications/Uses 1-Phase Quick-PWM Controllers 2 to 4 Lithium-Ion (Li+) Cell Battery- to-CPU Core Supply Converters 0.5% V Accuracy Over Line, Load, and Temperature OUT Graphics Core Power Supply 7-Bit IMVP-6 DAC (MAX8796/MAX17401 Only) IMVP-6/IMVP-6+ Core Power Supply 5-Bit GMCH DAC Intel GMCH Crestline/Cantiga Active Voltage Positioning with Adjustable Gain Notebooks/Desktops/Servers Accurate Droop and Current Limit Voltage-Positioned Step-Down Remote Output and Ground Sense Converters Adjustable Output-Voltage Slew Rate Power-Good Window Comparator Power Monitor Temperature Comparator Drives Large Synchronous Rectifier FETs 2V to 26V Power Input Range Adjustable Switching Frequency (600kHz max) Output Overvoltage Protection (MAX8796/MAX8797 Only) Undervoltage and Thermal-Fault Protection Soft-Startup and Soft-Shutdown Internal Boost DiodesReliability Reports Reliability Report: MAX8796.pdf Show FIT data for: MAX8796 Request Reliability Report for: MAX8797 Product Change Notices Device Issue Date Area Product Change Notice MAX8796GTJ+ 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8796GTJ+T 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2011-08-31 WAFER FAB Product Change Notice 958 PRE-PCN 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8796GTJ+TC8V 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8796GTJ+TG05 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8796GTJ+TG071 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8796GTJ+TGC1 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-09-28 ASSEMBLY Product Change Notice 799 (PDF, 52.3kB) MAX8797GTI+ 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-03-26 ASSEMBLY Product Change Notice 737 (PDF, 282.7kB) MAX8797GTI+T 2011-11-29 WAFER FAB Product Change Notice 873 (PDF, 112.2kB) 2010-11-29 ASSEMBLY Product Change Notice 831 (PDF, 46.5kB) 2010-10-06 WAFER FAB Product Change Notice 813 (PDF, 432.9kB) 2010-03-26 ASSEMBLY Product Change Notice 737 (PDF, 282.7kB) Disclaimer PCN s displayed are for notification only and are effective on the date distributed. Software/Models none Ordering Information Any Any Filters: Part Number Package: Temperature: Tape and Reel Sample Part Number Free Buy Status Package: Temp RoHS/Lead-Free Sample TYPE PINS FOOTPRINT Materials Analysis DRAWING CODE/VAR * KIT Custom MAX8796EVKIT See data sheet Order Land Pattern: Not Available TQFN 32 pin 26 mm Custom Outline Drawing:21-0140 (PDF) RoHS/Lead-Free: Lead Free MAX8796GTJ+ -40C to +105C Order Land Pattern: 90-0001 (PDF) Materials Analysis Use pkgcode/variation: T3255+3* TQFN 32 pin 26 mm