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ISL6564

  

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Part NameISL6564 Renesas
Renesas Electronics Renesas
DescriptionMulti-Phase PWM Controller with Linear 6-bit DAC Capable of Precision rDS(ON) or DCR Differential Current Sensing
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The ISL6564 is a Multi-phase PWM controller which controls microprocessor core voltage regulation by driving up to 4 synchronous-rectified buck channels. It features a high bandwidth control loop to provide optimal response to the load transients. With switching frequency up to 1.5MHz per phase, the ISL6564 based voltage regulator requires minimum components and PCB area in DC/DC converter application.

Features
• Precision Multi-Phase Core Voltage Regulation
    - Differential Remote Voltage Sensing
    - ±0.5% System Accuracy
    - Adjustable Reference-Voltage Offset
• Precision rDS(ON) or DCR Current Sensing
    - Accurate Load-Line Programming
    - Accurate Channel-Current Balancing
    - Differential Current Sense
    - Low-Cost, Lossless Current Sensing
• Internal Shunt Regulator for 5V or 12V Biasing
• Microprocessor Voltage Identification Input
    - Self clocked Dynamic VID™ control technology
    - 6-Bit VID Input
    - 0.525V to 1.300V in 12.5mV Steps
• Threshold-Sensitive Enable Function for power sequencing control
• Overcurrent Protection
• Overvoltage Protection
    - No Additional External Components Needed
    - OVP Pin to drive Crowbar Device
• 1, 2, 3, or 4 Phase Operation
• Up to 1.5MHz per phase Operation (>6MHz Ripple)
• QFN Package
    - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline
    - QFN Near Chip Scale Package Footprint; Improves PCB Efficiency, Thinner in Profile
• Pb-Free Available (RoHS Compliant)

 

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