NCT3101S TR

Overview

The NCT3101S TR is a bidirectional current DDR bus termination regulator manufactured by Nuvoton Technology Corporation. Designed for low input voltage and space-constrained applications, it supports DDR, DDR2, DDR3, DDR3L, DDR3U, LPDDR3, and DDR4 VTT termination requirements. The device features short-circuit protection and output shutdown capabilities. It utilizes an ESOP EP package and is supplied in tape and reel format.

Feature Summary

• Provides bidirectional current sourcing and sinking for precise bus termination
• Maintains rapid transient response with minimal output capacitance
• Integrates short-circuit protection mechanisms
• Supports system power-down via dedicated shutdown control

Applications

• DDR memory bus termination
• DDR2 memory bus termination
• DDR3 and DDR3L memory bus termination
• LPDDR3 memory bus termination
• DDR4 memory bus termination

Procurement Notes

Verify the specific suffix 'TR' indicates the tape and reel packaging configuration when ordering. Confirm that the component meets RoHS and Green standards as specified in the manufacturer documentation. Ensure compatibility with the target DDR generation voltage requirements before integration into the design.

Selection Notes

Select this component for designs requiring low system cost and compact footprint. It is suitable for applications needing fast transient response with small output capacitors. Verify that the input voltage range aligns with the system's power supply rails and that the thermal performance of the ESOP EP package meets the application's dissipation needs.

Part Context

This part belongs to the Nuvoton PMIC portfolio, specifically within the Switching Voltage Regulators subcategory. It serves as a specialized power management IC for high-speed digital interfaces. The device addresses the power integrity challenges associated with modern memory subsystems by providing stable termination voltages.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official distributor databases or manufacturer cross-reference tools for potential alternatives.