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ADP3186 Datasheet 5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller

Manufacturer: Analog Devices

Overview: www.DataSheet4U.com 5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller.

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General Description

The ADP3186 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 AMD processors.

It uses an internal 5-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 0.8 V and 1.55 V.

It uses a multimode PWM architecture to drive the logic-level outputs at a programmable switching frequency that can be optimized for VR size and efficiency.

Key Features

  • Selectable 2-, 3-, or 4-phase operation at up to 1 MHz per phase ±1% worst-case differential sensing error over temperature Logic-level PWM outputs for interface to external high power drivers Active current balancing between all output phases Built-in power good/crowbar blanking supports on-the-fly VID code changes 5-bit digitally programmable 0.8 V to 1.55 V output Programmable short-circuit protection with programmable latch-off delay.

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