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NCV891234MW33R2G
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 12DFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Bulk
- Output Type：PWM Signal
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3.7V ~ 36V
- Frequency - Switching：2MHz
- Duty Cycle (Max)：60%
- Synchronous Rectifier：-
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Reset
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-VDFN Exposed Pad
- Supplier Device Package：12-DFN (4x4)
- Grade：Automotive
- Qualification：-
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Overview
The NCV891234MW33R2G is a dual-mode step-down regulator controller designed for automotive applications. It supports an input supply voltage up to 45 V and operates with a fixed switching frequency of 2 MHz. The device integrates low quiescent current capabilities to enhance efficiency in battery-connected systems. Packaged in a compact 12-DFN (4x4) format, it provides robust regulation for demanding power management requirements.
Feature Summary
- Dual-mode operation for optimized efficiency across varying load conditions
- Automotive-grade design supporting high input voltage stability
- High-frequency switching capability for reduced external component size
Applications
- Automotive battery-connected power systems
- Step-down voltage regulation in vehicle electronics
- Power management units requiring high input tolerance
Procurement Notes
Verify the complete part number including suffixes to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through official manufacturer documentation before integration. Cross-reference datasheet revisions to validate pinout and electrical characteristics against current production versions.
Selection Notes
Select this component for automotive designs requiring wide input voltage range and high switching frequency. Ensure thermal management aligns with the 12-DFN package constraints. Validate compatibility with external inductors and capacitors based on the 2 MHz operating frequency requirements specified in the technical data.
Part Context
This device belongs to the NCV891x34 family of dual-mode regulators from onsemi. These components are engineered specifically for automotive environments where reliability under extreme conditions is critical. The series offers integrated control solutions for efficient power conversion in vehicle architectures.
Replacement Considerations
Consult official substitution guides for compatible alternatives within the NCV891x34 family. Verify functional equivalence regarding input voltage limits and switching frequency when considering cross-brand replacements.
