XRP2997IDBTR-F

Overview

The XRP2997IDBTR-F is a 2 A DDR bus termination regulator supporting DDR I, II, and III memory standards. It operates within an input voltage range of 1.1 V to 5.5 V and provides an adjustable output voltage with tight regulation accuracy of ±20 mV. The device features continuous current sourcing and sinking capabilities, maintaining stability with only 22 µF of output capacitance. It includes soft start functionality and supports power-up sequencing via an external MOSFET enable. The component is housed in an 8-pin SOIC package and operates across a temperature range of -40°C to +125°C.

Feature Summary

• Supports DDR I, II, and III memory termination requirements
• Provides continuous 2 A current sourcing and sinking capability
• Maintains output voltage offset within ±20 mV for precise regulation
• Operates stably with minimal external output capacitance of 22 µF

Applications

• DDR I / II / III memory termination circuits
• Active termination buses
• Audio-video equipment
• Video-graphics cards

Procurement Notes

Verify the obsolete status and discontinuation notifications prior to procurement. Confirm that the 8-pin SOIC package dimensions match the target PCB footprint. Ensure the design accommodates the required 22 µF ceramic output capacitor for stable operation. Validate thermal performance within the specified -40°C to +125°C operating range for the intended application environment.

Selection Notes

Select this component for applications requiring precise termination voltage control for legacy DDR memory interfaces. The wide input voltage range from 1.1 V to 5.5 V allows flexibility in system power architecture. Consider the pin compatibility with the SP2996B if migrating from previous designs. The integrated protections against overcurrent, over-temperature, and under-voltage lockout ensure robust operation in demanding environments.

Part Context

The XRP2997 belongs to MaxLinear's specialized power management portfolio focused on high-performance memory interface solutions. It addresses the specific power delivery challenges associated with Double Data Rate (DDR) technologies. The device integrates necessary control logic and protection features into a compact surface-mount package, simplifying the design process for video and data communication systems.

Replacement Considerations

The datasheet indicates pin and function compatibility with the SP2996B. Verify electrical parameters and package integrity when substituting this obsolete part with the SP2996B or other compatible termination regulators.