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ACPI Regulator/Controller for Dual Channel DDR Memory Systems

IC REG/CTRLR ACPI DUAL DDR 28QFN

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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

  • 0430450410
  • 0430450410_18
  • 0430450411_18
  • 0430450606_18
  • 4001A5
  • BCM3814B60E15A3CN2
  • BCM6123TD1E1368T0R
  • DB106
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  • MBDC-13-63HP
  • PEB24902
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  • PFM4914XB6M24D0YAZ
  • STM48-1V0S060-2EBX
  • STM48-1V2M070-2EBX
  • STM48-1V2S100-9G
  • STM54-1V0M050-8G
  • STM54-1V0S050-7G
  • STM54-1V2S050-2EBX

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  • RF
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  • RFHIC
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  • RFSOLUTIONS
  • RFX
  • RHOMBUS-IND

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