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ON Semiconductor - Single-Phase Voltage Regulator

Numéro de référence NCP81149
Description Single-Phase Voltage Regulator
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP81149 fiche technique
NCP81149
Single-Phase Voltage
Regulator with SVID
Interface for Computing
Applications
High Switching Frequency, High
Efficiency, Integrated Power MOSFETs
The NCP81149, a single−phase synchronous buck regulator,
integrates power MOSFETs to provide a high−efficiency and
compact−footprint power management solution for new generation
computing CPUs. The device is able to deliver up to 14 A TDC output
current on an adjustable output with SVID interface. Operating in high
switching frequency up to 1.2 MHz allows employing small size
inductors and capacitors while maintaining high efficiency due to
integrated solution with high performance power MOSFETs.
Current−mode RPM control with feedforward from both input power
supply and output voltage ensures stable operation over wide
operation condition. The NCP81149 is in a QFN48 6 x 6 mm package.
Features
Meets Intel® VR12.6 and VR12.6+ Specifications
Support 11.5 W and 15 W ULT Platforms
4.5 V to 25 V Input Voltage Range
Adjustable Output Voltage with SVID Interface
Integrated Gate Driver and Power MOSFETs
0 V, 1.65 V, 1.7 V, 1.75 V Boot Up Voltage
500 kHz ~ 1.2 MHz Switching Frequency
Current−Mode RPM Control
Adaptive Voltage Positioning (AVP)
Programmable DVID Feed−Forward to Support Fast DVID
Feedforward Operation for Input Supply Voltage and Output Voltage
Output Over−Voltage and Under−Voltage Protections
External Current Limitation Programming with Inductor Current
Sense
QFN48, 6x6 mm, 0.4 mm Pitch Package
This is a Pb−Free Device
Typical Applications
Ultrabook Applications
Notebook Applications
www.onsemi.com
1 48
QFN48
CASE 485CJ
MARKING
DIAGRAM
1
NCP81149
AWLYYWWG
NCP81149 = Specific Device Code
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
Package Shipping
NCP81149MNTXG
QFN48 2500 / Tape &
(Pb−Free)
Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2015
June, 2015 − Rev. 2
1
Publication Order Number:
NCP81149/D

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