NCP81251 Datasheet - ON Semiconductor

NCP81251 Single-Phase Voltage Regulator

Pin Name Type Description 1 VRHOT# Logic Output VR HOT. Logic low output represents over temperature. 2 SDIO Logic Bidirectional Serial Data IO Port. Data port of SVID interface. 3 ALERT# Logic Output ALERT. Open *drain output. Provides a logic low valid alert signal of SVID interface. .

NCP81251 Single-Phase Voltage Regulator with SVID Interface for Computing Applications High Switching Frequency, High Efficiency, Integrated Power MOSFETs The NCP81251, 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.

NCP81251 Features

* Meets Intel® Server Specifications

* 5 V to 20 V Input Voltage Range

* 1.0 V/1.1 V Fixed Boot Voltage

* Adjustable Output Voltage with SVID Interface

* Integrated Gate Driver and Power MOSFETs

* Up to 14 A TDC Output Current

* 500 kHz ~ 1.2 M

NCP81251-ONSemiconductor.pdf