LM22674MR-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22674MR-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 an adjustable output voltage between 1.285V and 37V. The device delivers a maximum output current of 500mA at a fixed switching frequency of 500kHz. It features a typical quiescent current of 3.4mA and supports operation within a temperature range of -40°C to +125°C. The component utilizes a buck topology and is housed in an 8-SO PowerPAD package.

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
• Compact surface-mount packaging designed for efficient thermal dissipation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient step-down conversion
• Industrial control modules operating within wide input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix ADJ/NOPB to confirm adjustable output configuration and lead-free compliance. Ensure the SO-PowerPAD-8 package matches the PCB footprint requirements. Cross-reference the manufacturer part number with official Texas Instruments documentation to validate authenticity and revision status before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency buck converter is required for moderate current loads up to 500mA. The adjustable output allows flexibility for various voltage rails. Consider the 500kHz switching frequency for balancing component size and efficiency. Verify that the input voltage does not exceed the 42V maximum rating under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM22674 series of SIMPLE SWITCHER regulators. It shares architectural similarities with other members like the LM22671 and LM22676 but differs in specific current ratings and feature sets. The series is characterized by integrated power switches and minimal external component counts, simplifying design implementation for standard voltage regulation tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22674MRE-ADJ/NOPB offers the same electrical specifications in a different package variant.