NCP81140: Multiple-Phase Controller with SVID Interface

Description: The NCP81140 Multi-Phase buck solution is optimize...
  • The NCP81140 Multi-Phase buck solution is optimized for Intel VR12.5 compatible CPUs with user configurations of 4/3/2/1 phases. 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 control system is based on Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing providing the fastest initial response to dynamic load events at reduced system cost. It has the capability to shed to single phase during light load operation and can auto frequency scale in light load conditions while maintaining excellent transient performance.
  • Features
  • Industrial CPU based applications
  • End Products
  • Infotainment, Mobile, Automation, Medical and Security
  • Technical Documentation & Design Resources
    Availability and Samples
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Multiple-Phase Controller with SVID Interface, Industrial range Vr controller
  • Package Type: QFN-32
  • Package Case Outline: 485CD
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 4000
  • Specifications
  • Topology: Step-Down 
  • Phases:  
  • Control Mode: Voltage Mode 
  • VCC Min (V): 4.75 
  • VCC Max (V): 5.25 
  • fSW Typ (kHz): 600 
  • Package Type: QFN-32 
  • ON Semiconductor Full Web Site