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MAX1638EAG
- Manufacturer's Part No.:MAX1638EAG
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- Description:IC STEP-DWN CTRLR HI-SPD 24-SSOP
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- In Stock: 418
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- Available: 46
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The MAX1638 is an ultra-high-performance, step-down DC-DC controller for CPU power in high-end computer systems. Designed for demanding applications in which output voltage precision and good transient response are critical for proper operation, it delivers over 35A from 1.3V to 3.5V with ±1% total accuracy from a +5V ±10% supply. Excellent dynamic response corrects output transients caused by the latest dynamically clocked CPUs. This controller achieves over 90% efficiency by using synchronous rectification. Flying-capacitor bootstrap circuitry drives inexpensive, external N-channel MOSFETs.
Features
♦ Better than ±1% Output Accuracy Over Line and Load
♦ Greater than 90% Efficiency Using N-Channel MOSFETs
♦ Pin-Selected High Switching Frequency (300kHz, 600kHz, or 1MHz)
♦ Over 35A Output Current
♦ Digitally Programmable Output from 1.3V to 3.5V
♦ Current-Mode Control for Fast Transient Response and Cycle-by-Cycle Current-Limit Protection
♦ Short-Circuit Protection with Foldback Current Limiting
♦ Glitch-Catcher Circuit for Fast Load-Transient Response
♦ Crowbar Overvoltage Protection
♦ Power-Good (PWROK) Output
♦ Digital Soft-Start
♦ High-Current (2A) Drive Outputs
♦ Complies with Intel VRM 8.2 SpecificationApplications Pentium Pro™, Pentium II™, PowerPC™, Alpha™, and K6™ Systems Workstations Desktop Computers LAN Servers GTL Bus Termination
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
SHIPPING GUIDE
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Shipping Cost
Shipping starts at $40 but varies for destinations like South Africa, Brazil, India, and more. The actual shipping charges depend on time zone, country, and package weight/volume.
Delivery Time
We ship orders once daily, around 5 p.m., except on Sundays. The estimated delivery time may vary depending on the courier service you choose, but typically ranges from 5 to 7 business days.
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