NCV51200MLTXG

Overview

The NCV51200MLTXG is a specialized DDR termination regulator from onsemi, designed for low input voltage applications. It provides a 3 A sink/source output current capability within a compact 10-DFNW (3x3 mm) package. The device operates with an input voltage range of 2.375 V to 5.5 V and supports a maximum output voltage of 1.8 V. It functions as a linear regulator optimized for terminating DDR memory lines, featuring a buffered reference output for improved signal integrity in high-speed digital interfaces.

Feature Summary

• Provides bidirectional 3 A source and sink current for precise DDR termination control
• Integrates a buffered reference output to maintain stable VTTREF signals
• Optimized for low input voltage operation suitable for modern power rails
• Utilizes a compact 10-pin DFNW package for efficient board space utilization

Applications

• Terminating Double Data Rate (DDR) memory buses
• High-speed digital interface termination circuits
• Server and workstation memory subsystems
• Networking equipment requiring stable termination voltages

Procurement Notes

Verify the specific suffix MLTXG against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Ensure compatibility with the target system's input voltage range, which must remain between 2.375 V and 5.5 V. Confirm that the 10-DFNW package dimensions align with the PCB footprint requirements. Check for any recent product change notices regarding material composition or manufacturing site changes.

Selection Notes

Select this component when a dedicated DDR termination solution is required rather than a general-purpose LDO. The 3 A current rating supports multiple memory channels or high-capacitance loads. Consider the 10-DFNW package if board real estate is constrained compared to larger QFN or SOIC options. Verify that the application does not exceed the maximum operating temperature of +125 C for reliable long-term performance.

Part Context

This part belongs to the NCP/NCV51200 series of DDR termination regulators. The NCV prefix indicates automotive-grade qualification under AEC-Q100 standards, ensuring reliability in harsh environments. It complements other PMIC offerings by addressing specific termination needs in high-speed data transmission systems where standard regulators lack sufficient sink/source symmetry.

Replacement Considerations

The NCP51200MLTXG is the commercial grade equivalent. Other parts in the NCP51200 family may offer different packaging or slight parameter variations but share the same core functionality. Direct substitutes should be verified against the official cross-reference list to ensure pin compatibility and electrical equivalence.