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NCP5318 - Two/Three/Four-Phase Buck CPU Controller

Features

  • Switching Regulator Controller.
  • Programmable 2/3/4 Phase Operation.
  • Lossless Current Sensing.
  • Enhanced V2 Control Method Provides Fast Transient Response.
  • Programmable Up to 1.0 MHz Switching Frequency Per Phase.
  • Programmable Adaptive Voltage Positioning.
  • Programmable Soft.
  • Start Time.
  • Current Sharing.
  • Differential Current Sense Pins for Each Phase.
  • Current Sharing Within 10% Between Phases.

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Datasheet preview – NCP5318

Datasheet Details

Part number NCP5318
Manufacturer ON Semiconductor
File Size 374.55 KB
Description Two/Three/Four-Phase Buck CPU Controller
Datasheet download datasheet NCP5318 Datasheet
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Full PDF Text Transcription

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NCP5318 Two/Three/Four−Phase Buck CPU Controller The NCP5318 provides full−featured and flexible control conforming to the Intel® VRM 10.1 specification for high−performance CPUs. The IC can be programmed as a two−, three− or four−phase buck controller, and the per−phase switching frequency can be as high as 1.0 MHz. Combined with external gate drivers and power components, the controller implements a compact, highly integrated multi−phase buck converter. Enhanced V2™ control inherently compensates for variations in both line and load, and achieves current sharing between phases. This control scheme provides fast transient response, reducing the need for large banks of output capacitors and higher switching frequency.
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