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- ISL6537ACRZ - Intersil
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Manufacturer:Intersil
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ManyChip's Part#:MC101238803
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Category:Power Management IC
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Package:QFN-28
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Datasheet:Datasheet 3D Model
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Description:Voltage Mode PWM Controller 0.8V to 5.5V/0.4V to 2.75V/0.8V 250kHz 28Pin QFN EP Tube
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Stock Locations:
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Availability:884 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 6.24
Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- The ISL6537A 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 to supply VDDQ during S0/S1 and S3 states. 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. A second PWM controller, which requires external MOSFET drivers, is available for regulation of the GMCH Core voltage. An LDO controller is also integrated for the CPU VTT termination voltage regulation and the DAC.
- Features
- • Generates 5 Regulated Voltages
- - Synchronous Buck PWM Controller for DDR VDDQ
- - 3A Integrated Sink/Source Linear Regulator with Accurate VDDQ/2 Divider Reference for DDR VTT
- - PWM Regulator for GMCH Core
- - LDO Regulator for CPU/GMCH VTT Termination
- - LDO Regulator for DAC
- • ACPI Compliant Sleep State Control
- • Glitch-Free Transitions During State Changes
- • Integrated VREF Buffer
- • VDDQ PWM Controller Drives Low Cost N-Channel MOSFETs
- • 250kHz Constant Frequency Operation
- - Both PWM Controllers are Phase Shifted 180°
- • Tight Output Voltage Regulation
- - All Outputs: ±2% Over Temperature
- • 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
- • OCP on the VDDQ Switching Regulator
- • Integrated Thermal Shutdown Protection
- • Pb-Free Plus Anneal 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
ISL6537ACRZ Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 28 Pin |
| Case/Package | QFN-28 |
| Number of Outputs | 4 Output |
| Supply Current | 7 mA |
| Switching Frequency | 250 kHz |
| Maximum Duty Cycle | 100 % |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Show | |
| Size-Length | 6 mm |
| Size-Width | 6 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | 0℃ ~ 70℃ |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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