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¹¦ÄÜÃèÊö | ACPI Regulator/Controller for Dual Channel DDR Memory Systems IC REG/CTRLR ACPI DUAL DDR 28QFN |
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Éú²ú³§ÉÌ | Intersil Corporation |
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ISL6532ACRÊý¾ÝÊÖ²á¹æ¸ñÊéPDFÏêÇé
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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