LM2831ZSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2831ZSD/NOPB is a high-frequency synchronous step-down DC-DC converter manufactured by Texas Instruments. It operates within an input voltage range of 3 V to 5.5 V and provides an adjustable output voltage from 600 mV to 4.5 V. The device delivers up to 1.5 A of continuous load current with a fixed switching frequency of 3 MHz. It features a WSON-6 surface-mount package and supports operation temperatures from -40°C to +125°C. Quiescent current is specified at 2.8 mA, and the unit includes shutdown functionality for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency in compact designs
• Fixed 3 MHz switching frequency enables use of small external components
• Adjustable output voltage allows flexibility for various logic levels
• Shutdown pin provides effective power conservation during idle states

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered consumer electronics
• Embedded systems requiring efficient 3.3 V or 5 V regulation
• Industrial control modules with limited board space
• Communication equipment power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to soldering. Ensure ordering suffix matches required packaging format. Cross-reference datasheet revisions to validate electrical characteristics against specific design requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when input voltages remain between 3 V and 5.5 V. The 3 MHz frequency suits applications prioritizing minimal passive component size. Verify thermal performance under maximum load conditions due to the small WSON-6 footprint. Consider the 1.5 A limit for peak current demands in the target circuit design.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2831 family of buck converters designed for low-voltage, high-current applications. It serves as a modern replacement for older non-synchronous regulators, offering better efficiency and smaller solution sizes. The ZSD/NOPB suffix indicates a specific tape-and-reel packaging variant compliant with environmental standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2831ZSDX is a parameter-equivalent predecessor but is obsolete. LMR10515YSD/NOPB offers similar functionality with potential interface differences. Verify pin compatibility and thermal characteristics before substituting.