LM22674MRE-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22674MRE-ADJ/NOPB is a SIMPLE SWITCHER® step-down DC/DC switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5V to 42V and provides a maximum output current of 0.5A. The device features an adjustable output voltage, fixed internal switching frequency at 500kHz, and typical quiescent current of 3.4mA. It utilizes an SO-PowerPAD-8 package and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated precision enable function for controlled startup and shutdown sequencing
• Built-in overcurrent protection to safeguard against load faults
• Voltage mode control architecture for stable regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated power rails
• Embedded systems with wide input voltage variations
• Point-of-load regulation for microcontrollers and FPGAs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix ADJ confirms adjustable output configuration. Confirm NOPB indicates lead-free/RoHS compliance. Ensure SO-PowerPAD-8 package matches PCB footprint requirements. Check datasheet for thermal pad soldering guidelines to ensure reliable heat dissipation during operation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact buck converter is needed for moderate current loads up to 500mA. It is suitable for applications requiring wide input voltage ranges and adjustable output levels. Consider thermal performance in high ambient temperature environments due to the single-output topology.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2267x family of SIMPLE SWITCHER regulators. It shares architectural similarities with LM22671 and LM22674 variants but differs in current rating and package options. The family targets cost-sensitive, space-constrained designs requiring efficient DC/DC conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22674QMRX-5.0/NOPB offers fixed 5V output instead of adjustable. LM22671MRX-ADJ/NOPB provides similar functionality in an RX package variant. Verify pin compatibility and thermal characteristics before substitution.