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NCP5387 - 2/3/4 Phase Controller

General Description

Pin No.

9 10 11 12 VID0 VID7 DACMODE SS ROSC 13 ILIM 14 NC 15 VS+ 16 VS 17 DIFFOUT 18 COMP 19 VFB 20 VDRP 21, 23, 25, 27 22, 24, 26, 28 29 30 33 34 35 36 37 38 39 CSxN CSx DRVON G1 G4 VREF 12VMON VCC VR_RDY NTC VR_FAN 40 VR_HOT 4

Key Features

  • Meets Intel’s VR 10.0 and 11.0 and AMD Specifications.
  • Dual.
  • Edge PWM for Fastest Initial Response to Transient Loading.
  • High Performance Operational Error Amplifier.
  • Supports both VR11 and Legacy Soft.
  • Start Modes.
  • Dynamic Reference Injection (Patented).
  • DAC Range from 0.5 V to 1.6 V.
  • "0.5% System Voltage Accuracy from 1.0 V to 1.6 V.
  • True Differential Remote Voltage Sensing Amplifier.
  • Phase.

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Datasheet Details

Part number NCP5387
Manufacturer onsemi
File Size 337.57 KB
Description 2/3/4 Phase Controller
Datasheet download datasheet NCP5387 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NCP5387 2/3/4 Phase Controller for CPU Applications The NCP5387 is a two−, three−, or four−phase buck controller which combines differential voltage and current sensing, and adaptive voltage positioning to power both AMD and Intel processors. Dual−edge pulse−width modulation (PWM) combined with inductor current sensing reduces system cost by providing the fastest initial response to transient load events. Dual−edge multi−phase modulation reduces total bulk and ceramic output capacitance required to satisfy transient load−line regulation. A high performance operational error amplifier is provided, which allows easy compensation of the system.