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MAX17080 - AMD 2-/3-Output Mobile Serial VID Controller

General Description

The MAX17080 is a triple-output, step-down, fixedfrequency controller for AMD’s serial VID interface (SVI) CPU and northbridge (NB) core supplies.

The MAX17080 consists of two high-current SMPSs for the CPU cores and one 3A internal switch SMPS for the NB core.

Key Features

  • detect a fault, the controller shuts down. True differential current sensing improves current limit and load-line accuracy. The MAX17080 has an adjustable switching frequency, allowing 100kHz to 600kHz operation per core SMPS, www. DataSheet4U. com and twice that for the NB SMPS. 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 T.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-4175; Rev 1; 5/09 AMD 2-/3-Output Mobile Serial VID Controller General Description The MAX17080 is a triple-output, step-down, fixedfrequency controller for AMD’s serial VID interface (SVI) CPU and northbridge (NB) core supplies. The MAX17080 consists of two high-current SMPSs for the CPU cores and one 3A internal switch SMPS for the NB core. The two CPU core SMPSs run 180° out-of-phase for true interleaved operation, minimizing input capacitance. The 3A internal switch SMPS runs at twice the switching frequency of the core SMPS, reducing the size of the external components. The MAX17080 is fully AMD SVI compliant. Output voltages are dynamically changed through a 2-wire SVI, allowing the SMPSs to be individually programmed to different voltages.