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ADP3192 +BOM

8-BitProgrammable 2- to 4-PhaseSynchronousBuckController

ADP3192 General Description

GENERAL DESCRIPTIONThe ADP31921 is a highly efficient, multiphase, synchronous buck switching regulator controller optimized for converting a 12 V main supply into the core supply voltage required by high performance Intel processors. It uses an internal 8-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 0.5 V and 1.6 V.FEATURES   Selectable 2-, 3-, or 4-phase operation at up to      1 MHz per phase   ±7.7 mV worst-case differential sensing error over      temperature   Logic-level PWM outputs for interface to external high      power drivers   Enhanced PWM flex mode for excellent load transient      performance   Active current balancing between all output phases   Built-in power-good/crowbar blanking supports on-the-fly      VID code changes   Digitally programmable 0.5 V to 1.6 V output supports both      VR10.x and VR11 specifications   Programmable short-circuit protection with programmable      latch-off delayAPPLICATIONS   Desktop PC power supplies for Next generation Intel® processors VRM modules

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Key Features

  • Selectable 2-, 3-, or 4-phase operation at up to
  • 1 MHz per phase
  • ±7.7 mV worst-case differential sensing error over
  • temperature
  • Logic-level PWM outputs for interface to external high
  • power drivers
  • Enhanced PWM flex mode for excellent load transient
  • performance
  • Active current balancing between all output phases
  • Built-in power-good/crowbar blanking supports on-the-fly
  • VID code changes
  • Digitally programmable 0.5 V to 1.6 V output supports both
  • VR10.x and VR11 specifications
  • Programmable short-circuit protection with programmable
  • latch-off delay
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Application

  • Desktop PC power supplies for Next generation Intel® processors VRM modules
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In Stock: 7,072

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