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NCP81109FMNTXG
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Product Detailed Parameters
- Description：IC REG BUCK ADJUSTABLE 14A 48QFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- 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：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (6x6)
- Grade：-
- Qualification：-
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Overview
The NCP81109 is a high-efficiency, synchronous buck controller designed for demanding computing applications. It integrates dual high-side and low-side drivers capable of delivering up to 60A per phase with precise current sharing. The device supports flexible input voltage ranges and features advanced protection mechanisms including over-current, over-voltage, and thermal shutdown. Its compact QFN package facilitates space-constrained designs while maintaining robust thermal performance.
Feature Summary
- Integrated dual-phase synchronous buck control architecture
- High-speed gate drivers supporting fast transient response
- Advanced digital interface for configuration and monitoring
- Comprehensive protection suite ensuring system reliability
Applications
- Central Processing Unit (CPU) core voltage regulation
- Graphics Processing Unit (GPU) power delivery
- Field Programmable Gate Array (FPGA) power supplies
- Server and workstation mainboard VRMs
Procurement Notes
Verify the specific suffix 'FMNTXG' against manufacturer documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with existing PCB footprint and thermal design requirements before procurement. Cross-reference official ordering codes to avoid substitution errors.
Selection Notes
Select this component for applications requiring high current density and fast transient response. Evaluate thermal management capabilities based on expected load conditions. Confirm that the required input voltage range aligns with the system's power rail specifications. Verify support for necessary communication protocols via the digital interface.
Part Context
This part belongs to onsemi's NCP81xxx series of multi-phase controllers. It is engineered for next-generation processors requiring efficient power conversion. The series emphasizes integration and reliability in high-performance computing environments.
Replacement Considerations
Consult official cross-reference guides for verified substitutes. Ensure any replacement matches pinout, electrical characteristics, and thermal performance. Validate compatibility with existing control logic and protection schemes.
