NCP81149 Datasheet - ON Semiconductor

NCP81149 Single-Phase Voltage Regulator

Pin Name Type 1 VRHOT# Logic Output 2 SDIO Logic Bidirectional 3 ALERT# Logic Output 4 SCLK Logic Input 5, 32, 49 GND Analog Ground 6 VRRDY Logic Output 7, 11 *17, 50 VIN Power Input 8 BST Power Bidirectional 9 GH Analog Output 10 SW Power Return 18, 25 *29, 51 19

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 swi.

NCP81149 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

NCP81149 Datasheet (303.92 KB)