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NCP81128MNTXG
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Product Detailed Parameters
- Description：IC REG BUCK CTLR DUAL 52QFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Output Type：Transistor Driver
- Function：-
- Output Configuration：Positive
- Topology：-
- Number of Outputs：1
- Output Phases：1
- 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：52-QFN
- Supplier Device Package：52-QFN
- Grade：-
- Qualification：-
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Overview
The NCP81128MNTXG is a dual-output switching controller from onsemi, designed for high-performance power management. It features a 2+2 phase configuration, providing four independent output channels controlled by two primary phases and two secondary phases. The device operates within a surface-mount QFN-52 package, suitable for compact electronic designs requiring efficient DC-DC conversion capabilities.
Feature Summary
- Dual-output architecture supporting simultaneous multi-rail power generation
- 2+2 phase control topology for enhanced current sharing and thermal distribution
- Integrated switching controller optimized for synchronous buck applications
Applications
- Multi-voltage rail systems in industrial equipment
- Power delivery units requiring independent output regulation
- Embedded computing platforms with mixed voltage requirements
Procurement Notes
Verify the specific ordering suffix and tape-and-reel specifications against the manufacturer's latest datasheet before procurement. Confirm that the QFN-52 package dimensions align with your PCB footprint design. Ensure compliance with RoHS directives as indicated in the official documentation. Cross-reference the part number with authorized distributors to confirm current availability status.
Selection Notes
Select this component when a dual-output solution with a 2+2 phase structure is required. It is appropriate for designs needing isolated or semi-isolated voltage rails managed by a single controller IC. Consider the thermal performance of the QFN-52 package relative to your system's heat dissipation strategy. Evaluate the control loop stability requirements against the controller's internal compensation features.
Part Context
This part belongs to onsemi's PMIC - Voltage Regulators - DC DC Switching Controllers family. It serves as a specialized integrated circuit for managing multiple DC-DC converter stages. The component is categorized under high-efficiency power management solutions, distinct from linear regulators or single-phase controllers.
Replacement Considerations
Consult the official onsemi replacement guide for qualified alternatives. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Generic cross-references may not match the specific 2+2 phase control logic.
