ISL6561 Datasheet Multi-Phase PWM Controller

Manufacturer: Renesas

ISL6561 multi-phase pwm controller by Renesas - Datasheet Preview

Datasheet Details

Part number	ISL6561
Manufacturer	Renesas
File Size	1.21 MB
Description	Multi-Phase PWM Controller
Download	ISL6561 Download (PDF)

Overview

DATASHEET ISL6561 Multi-Phase PWM Controller with Precision rDS(ON) or DCR Differential Current Sensing for VR10.X Application FN9098 Rev 6.00 November 10, 2015 The ISL6561 controls microprocessor core voltage regulation by driving up to 4 synchronous-rectified buck channels in parallel.

Multi-phase buck converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple currents.

Lower ripple results in fewer components, lower component cost, reduced power dissipation, and smaller implementation area.

Key Features

a high bandwidth control loop and ripple frequencies of >4MHz to provide optimal response to the transients. Today’s microprocessors require a tightly regulated output voltage position versus load current (droop). The ISL6561 senses current by utilizing patented techniques to measure the voltage across the on resistance, rDS(ON), o.

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