NCP81140 Datasheet - ON Semiconductor

NCP81140 Multiple-Phase Controller

Pin No. Symbol Description 1 ENABLE Logic input. Logic high enables the output and logic low disables the output. 2 VCC Power for the internal control circuits. A decoupling capacitor is connected from this pin to ground 3 VR_HOT# Thermal logic output for over temperature 4 SDIO Seri.

NCP81140 Multiple-Phase Controller with SVID Interface for Desktop and Notebook CPU Applications The NCP81140 Multi Phase buck solution is optimized for www.onsemi.com Intel® VR12.5 compatible CPUs with user configurations of 4/3/2/1 phases. The controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage MARKING DIAGRAM feed forward, and adaptive voltage positioning to provide accurately regulated power for both Desktop.

NCP81140 Features

* ORDERING INFORMATION See detailed ordering and shipping information page 18 of this data sheet.

* Meets Intel® VR12.5 Specifications

* Current Mode Dual Edge Modulation for Fastest Initial Response to Transient Loading

* High Performance Operational Error Amplifier

NCP81140-ONSemiconductor.pdf