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NCP81234MNTXG
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Product Detailed Parameters
- Description：IC REG CNTRL BCK/BST I2C 28QFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：PWM Signal
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：0.6V ~ 5V
- Frequency - Switching：200kHz ~ 1.2MHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：-
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Power Good
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-VFQFN Exposed Pad
- Supplier Device Package：28-QFN (5x5)
- Grade：-
- Qualification：-
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Overview
The NCP81234MNTXG is a dual-channel, two-phase synchronous buck controller designed for driving DR-MOS modules. It operates with an input voltage range of 4.5V to 28V and supports switching frequencies from 150kHz to 1.2MHz. The device features I2C configuration capabilities and includes integrated protection mechanisms such as over-current and enable control. Packaged in a 32-QFN (5x5mm) format, it is intended for high-efficiency power delivery applications requiring precise phase synchronization.
Feature Summary
- Dual-channel architecture optimized for driving external DR-MOS modules
- I2C interface for flexible configuration and monitoring
- Integrated current limiting and enable control functions
Applications
- Server and workstation power supplies
- Graphics processing unit (GPU) voltage regulation
- High-performance computing platforms
Procurement Notes
Verify the specific suffix 'MNTXG' against the manufacturer's latest datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the target DR-MOS gate drive requirements before integration. Confirm RoHS compliance status through official documentation.
Selection Notes
Select this component when a dual-phase solution driving discrete or integrated MOSFETs is required. The I2C configurability allows for dynamic adjustment of operating parameters. Verify that the application environment supports the specified temperature range and input voltage constraints.
Part Context
This part belongs to the NCP8123x series of multi-phase controllers from onsemi. These devices are engineered for demanding digital load applications where efficiency and transient response are critical. The series typically offers various channel configurations to suit different power density requirements.
Replacement Considerations
Consult the manufacturer's cross-reference guide for verified substitutes. Direct replacements must maintain dual-channel capability and DR-MOS drive compatibility.
