ON Semiconductor NCP6131: IMVP7 1-, 2-, 3-Phase CPU Controller + 1-Phase GPU Controller
http://www.onsemi.com/PowerSolutions/product.do?id=NCP6131[11/15/2011 4:03:57 PM]
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NCP6131
NCP6131: IMVP7 1-, 2-, 3-Phase CPU
Controller + 1-Phase GPU Controller
Overview Specifications
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Product Description
NCP6151S/NCP6151SA/NCP6131S/NCP6131SA dual output four plus one phase buck solution is
optimized for Intel VR12 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 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 and reduced system cost. It also
sheds to single phase during light load operation and can auto frequency scale in light load while
maintaining excellent transient performance.
Features
Meets Intel VR12/IMVP7 specifications
Current mode dual-edge modulation for fastest initial response to transient loading
Dual high performance operational error amplifier
One digital soft start ramp for both rails
Applications
Desktop and notebook processors
Technical Information
Application Notes (1) Package Drawings (2)
Availability and Samples
Product Status Pb-
free Description Package MSL* Container Budgetary
Price/Unit
Type Case
Outline Type Qty.
NCP6131D52MNR2G
Consult
Sales
Office
IMVP7 1-, 2-,
3-Phase CPU
Controller + 1-
Phase GPU
Controller
QFN-
52 485AV 1Tape and
Reel 2500
NCP6131NS52MNR2G Active
IMVP7 1-, 2-,
3-Phase CPU
Controller + 1-
Phase GPU
Controller
QFN-
52 485BE 1Tape and
Reel 2500
Sample
NCP6131S52MNR2G Active
IMVP7 1-, 2-,
3-Phase CPU
Controller + 1-
Phase GPU
Controller
QFN-
52 485BE 1Tape and
Reel 2500
Sample
Inventory
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non
lead free at 235°C reflow)
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