Controllers | NCP81241

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

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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

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CAD Model

Pb

A

H

P

QFN-28

485AR

1

260

REEL

4000

Y

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1

Hysteretic

4.75

5.25

250 - 1200

$1.0102

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可靠性数据

Die Related Summary Data

Device: NCP81241MNTXG

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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