NCP81255 Datasheet - ON Semiconductor

NCP81255 Single-Phase Voltage Regulator

Pin No. Symbol Description 1 VR_HOT# Thermal Logic Output for Over-Temperature Condition on either TSENSE 2 SDIO Serial VID Data Interface 3 ALERT# Serial VID ALERT# 4 SCLK Serial VID Clock 5 PGND Power Ground. Power Supply Ground Pins, Connected to Source of Internal LS FET 6 V.

NCP81255 Single‐Phase Voltage Regulator with Intel Proprietary Interface for Computing Applications The NCP81255 is a high-performance, low-bias current, single-phase regulator with integrated power MOSFETs intended to support a wide range of computing applications. The device is able to deliver up to 14 A TDC output current on an adjustable output with Intel proprietary interface interface. Operating in high switching frequency up to 1.2 MHz allows employing small size inductor and capacitors..

NCP81255 Features

* Auto DCM Operation in High Current Power States

* High Performance RPM Control System

* IMVP8 Intel proprietary interface Support

* Ultra Low Offset IOUT Monitor

* Dynamic VID Feed-Forward

* Programmable Droop Gain

* Zero Droop Capable

NCP81255-ONSemiconductor.pdf