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

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.

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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Datasheet Details

Part number ADP3186
Manufacturer Analog Devices
File Size 509.89 KB
Description 5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller
Datasheet download datasheet ADP3186 Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com 5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller ADP3186 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 FUNCTIONAL BLOCK DIAGRAM VCC 28 RAMPADJ 14 RT 13 ADP3186 UVLO SHUTDOWN AND BIAS EN 11 OSCILLATOR SET EN 27 PWM1 GND 19 CMP RESET CROWBAR 6 CSREF 2.
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