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Controllers | ADP3198

Synchronous Buck Controller

Obsolete

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Overview

The ADP3198 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.

  • VR Modules

  • Desktop Computers

  • Selectable 2-, 3-, or 4-phase operation at up to 1 MHz per phase
  • ±11 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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ADP3198JCPZ-RL

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Obsolete

CAD Model

Pb

A

H

P

LFCSP-40

932AC

3

260

REEL

2500

N

Step-Down

2/3/4

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6

14.5

100 - 1000

Price N/A

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