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FAN5019B - 6-Bit VID Controller 2-4 Phase VR10.X Controller

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General Description

The FAN5019B is a multi-phase DC-DC controller for implementing high-current, low-voltage, CPU core power regulation circuits.

It is part of a chipset that includes external MOSFET drivers and power MOSFETS.

The FAN5019B drives up to four synchronous-rectified buck channels in parallel.

Overview

www.fairchildsemi.com www.DataSheet4U.com FAN5019B 6-Bit VID Controller 2-4 Phase VR10.

Key Features

  • a high-bandwidth control loop to provide optimal response to load transients. The FAN5019B senses current using lossless techniques: Phase current is measured through each of the output inductors. This current information is summed, averaged and used to set the loadline of the output via programmable "droop. " The droop is temperature compensated to achieve precise loadline characteristics over the entire operating range. Additionally, individual phase current is measured using the RDS(ON) of the.

More Datasheets from Fairchild (now onsemi)

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