Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

The ISL6552 multi-phase PWM control IC together with its companion gate drivers, the HIP6601, HIP6602 or HIP6603 and external Intersil MOSFETs provides a precision voltage regulation system for advanced microprocessors.

FEATUREs
• Multi-Phase Power Conversion
• Precision Channel Current Sharing
    - Loss Less Current Sampling - Uses rDS(ON)
• Precision CORE Voltage Regulation
    - ±1% System Accuracy Over Temperature
• Microprocessor Voltage Identification Input
    - 5-Bit VID Input
    - 1.05V to 1.825V in 25mV Steps
    - Programmable “Droop” Voltage
• Fast Transient Recovery Time
• Over Current Protection
• Automatic Selection of 2, 3, or 4 Phase Operation
• High Ripple Frequency (Channel Frequency) Times
    Number Channels . . . . . . . . . . . . . . . . . .100kHz to 6MHz
• QFN Package:
    - Compliant to JEDEC PUB95 MO-220
        QFN - Quad Flat No Leads - Package Outline
    - Near Chip Scale Package footprint, which improves
        PCB efficiency and has a thinner profile
• Pb-free available