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NCP81103AMNTXG
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Product Detailed Parameters
- Description：INTEGRATED CIRCUIT
- Series：-
- Mfr：onsemi
- Package：Bulk,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 NCP81103AMNTXG is a single-phase voltage regulator controller manufactured by onsemi, designed for high-performance digital applications. It operates within an input voltage range of 4.5V to 21V and supports output voltages from 0.6V to 1.8V. The device features a programmable switching frequency between 200kHz and 1.2MHz and delivers up to 30A of output current. It utilizes a 36-pin QFN package with exposed pad for efficient thermal management and signal integrity in compact designs.
Feature Summary
- Integrated digital control interface for precise regulation and monitoring
- Programmable switching frequency allows optimization for efficiency and component size
- Supports high output currents suitable for demanding processor loads
Applications
- Central Processing Unit (CPU) power delivery systems
- Graphics Processing Unit (GPU) voltage regulation modules
- High-density server and workstation power architectures
Procurement Notes
Verify the specific suffix 'AMNTXG' against official onsemi documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal design requirements before procurement. Confirm end-of-life status or availability through authorized distributors as supply chain conditions may vary.
Selection Notes
Select this component when a digital-controlled buck regulator is required for CPU or GPU cores. It is suitable for designs needing flexible frequency adjustment and high current capability. Compare pinout and thermal characteristics with alternative models if space constraints differ. Validate support for required communication protocols such as VR12 or VR13 standards.
Part Context
This part belongs to the NCP81103 series of single-phase voltage regulators. It is engineered for next-generation processors requiring tight voltage tolerances and fast transient response. The series integrates advanced protection features and digital interfaces to simplify system design and improve overall power efficiency in complex electronic devices.
Replacement Considerations
Consult official cross-reference lists for direct replacements. Verify that any substitute maintains identical pin configuration and thermal performance. Ensure the alternative supports the same digital control protocol and meets the required electrical specifications for input and output ranges.
