MP20075DH-LF-P

Overview

The MP20075DH-LF-P is a precision DDR2/3/3L/4 termination regulator manufactured by Monolithic Power Systems. It provides a VREF/2 tracking voltage with up to 3A source/sink current capability. The device operates within an input voltage range of 1.05V to 3.6V and supports Kelvin sampling for accurate output regulation. It features ±30mV VTT output accuracy and ±18mV VTTREF output accuracy. The component utilizes an 8-pin MSOP package with an exposed pad, designed for surface-mount installation across a temperature range of -40°C to +85°C.

Feature Summary

• Provides precise VREF/2 tracking voltage for DDR memory termination applications
• Supports Kelvin sampling (VTTSEN) function for enhanced output accuracy
• Integrates built-in soft start, under-voltage lockout, over-current limit, and thermal shutdown protections

Applications

• DDR2 memory system termination
• DDR3 memory system termination
• DDR3L memory system termination
• DDR4 memory system termination

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and lead time specifications. Confirm that the required thermal performance and electrical parameters align with the target design constraints before finalizing procurement decisions. Cross-reference the part number with the latest datasheet revisions to avoid discrepancies in pinout or functional characteristics.

Selection Notes

Select this component when designing systems requiring precise VTT regulation for DDR2, DDR3, DDR3L, or DDR4 memory interfaces. Ensure the input voltage matches the VDDQ rail and that the PCB layout supports the necessary 20μF ceramic output capacitance for stable transient response. Consider the thermal dissipation requirements associated with the 3A current capability in the selected package.

Part Context

This part belongs to the MP20075 series of DDR termination regulators from Monolithic Power Systems. It serves as a specialized power management IC designed to maintain stable reference voltages for high-speed memory modules. The series addresses the need for low noise and high precision in modern computing architectures requiring reliable data integrity.

Replacement Considerations

Public confirmed substitute part numbers include MP20075DH-LF-Z, MP20075DH, MP20075DH-LF, and MP20075XN. Verify pin compatibility and electrical specifications before substitution.