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ISL6556B - Optimized Multi-Phase PWM Controller

Datasheet Summary

Features

  • Precision Multi-Phase Core Voltage Regulation - Differential Remote Voltage Sensing - 0.5% System Accuracy Over Temperature and Life - Adjustable Reference-Voltage Offset.
  • Precision rDS(ON) Current Sensing - Integrated Programmable Temperature Compensation - Accurate Load-Line Programming - Accurate Channel-Current Balancing - Low-Cost, Lossless Current Sensing.
  • Internal Shunt Regulator for 5V or 12V Biasing.
  • Microprocessor Voltage Identification Input - Dyn.

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Datasheet preview – ISL6556B

Datasheet Details

Part number ISL6556B
Manufacturer Renesas
File Size 1.11 MB
Description Optimized Multi-Phase PWM Controller
Datasheet download datasheet ISL6556B Datasheet
Additional preview pages of the ISL6556B datasheet.

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Full PDF Text Transcription

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ISL6556B NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application DATASHEET FN9097 Rev 4.00 December 28, 2004 The ISL6556B 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. The ISL6556B utilizes rDS(ON) current sensing in each phase for adaptive voltage positioning (droop), channelcurrent balancing, and overcurrent protection.
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