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NCP81118MNTXG
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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：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The NCP81118MNTXG is a DC-DC switching controller manufactured by onsemi, designed for high-performance buck regulator applications. It features a 36-pin QFN package and operates as a synchronous step-down voltage regulator controller. The device supports fixed frequency operation and includes integrated protection features such as over-current protection and thermal shutdown. It is optimized for efficient power conversion in systems requiring stable voltage regulation under varying load conditions.
Feature Summary
- Synchronous buck regulator controller architecture
- Integrated over-current and thermal protection mechanisms
- Fixed frequency operation for stable output regulation
- Compact 36-pin QFN package design
Applications
- Server and data center power supplies
- Industrial equipment voltage regulation
- Telecommunications infrastructure power management
Procurement Notes
Verify component authenticity through authorized distributors or certified suppliers. Confirm RoHS compliance status and material composition declarations prior to integration. Check for obsolete status indicators and ensure availability of replacement alternatives if necessary. Validate packaging specifications against system requirements.
Selection Notes
Evaluate compatibility with existing control loops and feedback networks. Consider thermal performance within the 36QFN package constraints. Assess input voltage range and current capabilities against target application loads. Verify support for required protection thresholds and operating frequencies.
Part Context
This component belongs to onsemi's power management IC portfolio, specifically within the DC-DC switching controller category. It serves as a critical element in multi-phase or single-phase buck converter designs, providing precise control signals to external MOSFETs for efficient voltage stepping.
Replacement Considerations
Check for direct pin-compatible substitutes from onsemi or other manufacturers. Evaluate functional equivalence regarding control logic, protection features, and package dimensions. Confirm availability of updated revisions if the original part is obsolete.
