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NCP81108MNTXG
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Product Detailed Parameters
- Description：IC REG BUCK CTLR 36QFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Output Type：-
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：-
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：-
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：-
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：36-VFQFN Exposed Pad
- Supplier Device Package：36-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The NCP81108MNTXG is a single-phase voltage regulator controller from onsemi, designed for high-performance computing applications. It operates as a synchronous buck converter controller with an integrated driver stage. The device supports input voltages up to 5.5 V and delivers output currents exceeding 60 A. It features programmable switching frequencies ranging from 200 kHz to 1.2 MHz and includes comprehensive protection mechanisms such as over-current, over-voltage, and thermal shutdown. The component is housed in a compact 36-lead QFN package.
Feature Summary
- Integrated high-side and low-side gate drivers for synchronous buck topology
- Programmable switching frequency for optimized efficiency and transient response
- Comprehensive protection features including over-current and thermal management
Applications
- Intel Core processor voltage regulation modules (VRMs)
- High-density server power supplies
- Graphics processing unit (GPU) power delivery systems
Procurement Notes
Verify current availability status directly with the manufacturer or authorized distributors, as supply chain conditions may vary. Confirm that the specific ordering suffix matches your packaging requirements. Ensure compliance with relevant environmental directives such as RoHS before finalizing procurement decisions for production integration.
Selection Notes
Select this controller for designs requiring high current capability and fast transient response. Evaluate the required switching frequency against inductor selection constraints. Ensure the PCB layout supports the thermal dissipation needs of the QFN package. Verify compatibility with the target processor's VID interface if digital control is utilized.
Part Context
This component belongs to the NCP8110x series of single-phase VR controllers. It is part of onsemi's portfolio aimed at meeting the stringent power delivery standards of modern microprocessors. The series offers scalable solutions for various current levels within desktop and mobile computing platforms.
Replacement Considerations
Check for updated revisions within the same NCP8110x family. Verify pin-to-pin compatibility with alternative single-phase controllers from other manufacturers if sourcing constraints exist. Ensure functional equivalence in terms of protection thresholds and control interfaces.
