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NCP81248 - Three-Rail Controller

Datasheet Summary

Features

  • Common to All Rails.
  • Vin Range 4.5 V to 25 V A = Assembly Location WL = Wafer Lot YY = Year.
  • Startup into Pre.
  • Charged Loads While Avoiding False OVP.
  • Digital Soft Start Ramp WW = Work Week G = Pb.
  • Free Package.
  • Adjustable Vboot (except Rail3).
  • High Impedance Differential Output Voltage Amplifiers.

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Datasheet preview – NCP81248

Datasheet Details

Part number NCP81248
Manufacturer ON Semiconductor
File Size 305.47 KB
Description Three-Rail Controller
Datasheet download datasheet NCP81248 Datasheet
Additional preview pages of the NCP81248 datasheet.

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Full PDF Text Transcription

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NCP81248 Three-Rail Controller with Intel Proprietary Interface for IMVP8 CPU Applications The NCP81248 contains a two−phase, and two single−phase buck regulator controllers optimized for Intel IMVP8 compatible CPUs. www.onsemi.com The two−phase 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 IMVP8 CPU. MARKING DIAGRAM The two single−phase controllers make use of ON Semiconductor’s patented high performance RPM operation. RPM control maximizes transient response while allowing smooth transitions between discontinuous frequency scaling operation and continuous mode full power operation.
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