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