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    ACPI Regulator/Controller for Dual Channel DDR Memory Systems

    IC REG/CTRLR ACPI DUAL DDR 28QFN

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    Intersil Corporation

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    ACPI Regulator/Controller for Dual Channel DDR Memory Systems

    The ISL6532A provides a complete ACPI compliant power solution for up to 4 DIMM dual channel DDR/DDR2 Memory systems. Included are both a synchronous buck controller and integrated LDO to supply VDDQ with high current during S0/S1 states and standby current during S3 state. During S0/S1 state, a fully integrated sink-source regulator generates an accurate (VDDQ/2) high current VTT voltage without the need for a negative supply. A buffered version of the VDDQ/2 reference is provided as VREF. An LDO controller is also integrated for AGP core voltage regulation.

    Features

    ? Generates 3 Regulated Voltages

    - Synchronous Buck PWM Controller with Standby LDO

    - 3A Integrated Sink/Source Linear Regulator with Accurate VDDQ/2 Divider Reference.

    - Glitch-free Transitions During State Changes

    - LDO Regulator for 1.5V Video and Core voltage

    ? Acpi Compliant Sleep State Control

    ? Integrated VREF Buffer

    ? PWM Controller Drives Low Cost N-Channel MOSFETs

    ? 250kHz Constant Frequency Operation

    ? Tight Output Voltage Regulation

    - All Outputs: ¡À2 Over-Temperature

    ? 5V or 3.3V Down Conversion

    ? Fully-Adjustable Outputs with Wide Voltage Range: Down to 0.8V supports DDR and DDR2 Specifications

    ? Simple Single-Loop Voltage-Mode PWM Control Design

    ? Fast PWM Converter Transient Response

    ? Under and Overvoltage Monitoring on All Outputs

    ? OCP on the Switching Regulator

    ? Integrated Thermal Shutdown Protection

    ? QFN Package Option

    - QFN 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)

    Applications

    ? Single and Dual Channel DDR Memory Power Systems in ACPI compliant PCs

    ? Graphics Cards - GPU and Memory Supplies

    ? ASIC Power Supplies

    ? Embedded Processor and I/O Supplies

    ? DSP Supplies

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    ISL6532ACR ²úÆ·Ïà¹ØÐͺÅ

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    • ISL8118
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    • OLS-136SR/G-C-T
    • PCS104-221M-RC
    • PCS105-471T-RC
    • PCS124-221M-RC
    • PCS124-271M-RC
    • PCS124-331M-RC
    • PCS127-4R7M-RC
    • PCS73-821M-RC
    • PCS74-391M-RC
    • PCSDR127-R47T-RC
    • PCSDR73-2R7M-RC
    • PCSDR73-6R8M-RC
    • PCSDR74-1R0M-RC
    • PMR8050-B-R005-D-1-E

    IntersilÏà¹Øµç·ͼ

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    • INVENTRONICS
    • IOAUDIO
    • IOGEAR
    • IPDPOWER
    • I-PEX
    • IPP
    • IPS
    • IQD
    • IRCTT
    • IRF
    • IRI

    Intersil Corporation

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