LM2831YSD

Voltage Regulators - DC DC Switching Regulators Overview

The LM2831YSD/NOPB is a synchronous step-down DC-DC converter from Texas Instruments, operating within a 3 V to 5.5 V input voltage range. It delivers up to 1.5 A of output current with an adjustable output voltage ranging from 600 mV to 4.5 V. The device utilizes a fixed switching frequency of 550 kHz and features a WSON-6 package. It includes integrated shutdown functionality and operates across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed 550 kHz switching frequency enables compact external component sizing
• Shutdown pin allows for low-power standby modes

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Embedded systems requiring efficient voltage regulation
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) to confirm RoHS compliance and lead-free status. Confirm the package type matches design requirements. Check moisture sensitivity levels for proper handling during assembly. Ensure the supplier provides valid traceability documentation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 550 kHz frequency is preferred over other variants in the LM2831 family. It is suitable for designs requiring a balance between switching speed and electromagnetic interference. Compare input voltage ranges and thermal performance against alternative buck converters.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2831 series of high-frequency step-down regulators. It shares core architecture with variants like the LM2831ZSD (3 MHz) and LM2831XMFX (1.6 MHz), differing primarily in switching frequency and package configuration while maintaining similar electrical capabilities.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2831ZSD/NOPB offers identical electrical performance but operates at a higher 3 MHz switching frequency. LM2831XMFX/NOPB provides a 1.6 MHz option in a different package. Verify pin compatibility and thermal characteristics when substituting.