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

Product Overview

Fairchild Semiconductor

Part number	FAN5019B
Manufacturer	Fairchild Semiconductor
File Size	567.18 KB
Description	6-Bit VID Controller 2-4 Phase VR10.X Controller
Datasheet	FAN5019B Datasheet
Additional preview pages of the FAN5019B datasheet.

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.

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.

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Published: Jul 9, 2009 |