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MAX17009

Maxim Integrated Products
Part Number MAX17009
Manufacturer Maxim Integrated Products
Description AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller
Published Feb 11, 2010
Detailed Description 19-0814; Rev 0; 5/07 KIT ATION EVALU E L B AVAILA AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller General ...
Datasheet PDF File MAX17009 PDF File

MAX17009
MAX17009


Overview
19-0814; Rev 0; 5/07 KIT ATION EVALU E L B AVAILA AMD Mobile Serial VID Dual-Phase Fixed-Frequency Controller General Description Features o Dual-Output, Fixed-Frequency, Core Supply Controller o Separate or Combinable Outputs Detected at Power-Up o Reference Buffer Output for NB Controller o ±0.
4% VOUT Accuracy Over Line, Load, and Temperature o AMD SVI-Compliant Serial Interface o 7-Bit On-Board DAC: 0 to +1.
550V Output Adjust Range o Dynamic Phase Selection Optimizes Active/Sleep Efficiency o Transient Phase Repeat Reduces Output Capacitance o True Out-of-Phase Operation Reduces Input Capacitance o Integrated Boost Switches o Programmable AC and DC Droop o Programmable 100kHz to 1.
2MHz Switching Frequency o Accurate Current Balance and Current Limit o Adjustable Slew-Rate Control o Power-Good (PWRGD) and Thermal-Fault (VRHOT) Outputs o System Power-OK (PGD_IN) Input o Drives Large Synchronous-Rectifier MOSFETs o 4V to 26V Battery Input-Voltage Range o Overvoltage, Undervoltage, and Thermal-Fault Protection o Power Sequencing and Timing o Soft-Startup and Soft-Shutdown o < 1µA Typical Shutdown Current MAX17009 The MAX17009 is a 2-phase, step-down interleaved, fixed-frequency controller for AMD’s® serial VID interface (SVI) CPU core supplies.
Power-on detection of the CPU configures the MAX17009 as two independent single-phase regulators for a dual CPU core application, or one high-current, dual-phase, combined-output regulator for a unified core application.
A reference buffer output (NBV_BUF) sets the voltage-regulation level for a North Bridge (NB) regulator, completing the total CPU cores and NB power requirements.
The MAX17009 is fully AMD SVI compliant.
Output voltages are dynamically changed through a 2-wire serial interface, allowing the switching regulator and the reference buffer to be individually programmed to different voltages.
A programmable slew-rate controller enables controlled transitions between VID codes, soft-start limits the inrush curren...


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