Single-Phase Controller with SVID Interface for Desktop and Notebook CPU Applications

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Overview

The NCP81241 Single-Phase buck solution is optimized for Intel VR12.1 compatible CPUs. The controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurately regulated power for both Desktop and Notebook applications. The single phase controller uses DCR current sensing providing the fastest initial response to dynamic load events at reduced system cost.

  • CPU power
  • Notebook Computer
  • Desktop Computer
  • Switching Frequency Range of 250 kHz – 1.2 MHz
  • VIN Range 4.5V-25V
  • High Performance Operational Error Amplifier
  • Startup into Pre-Charged Load
  • Digital Soft Start Ramp

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NCP81241MNTXG

Active

Pb

A

H

P

QFN-28

1

260

REEL

4000

Y

Step-Down

1

Hysteretic

4.75

5.25

250 - 1200

$1.0102

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