LM22670QMRX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22670QMRX-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, designed for high-efficiency power conversion. It operates with an input voltage range of 4.5 V to 42 V and delivers up to 3 A of output current. The device features an adjustable switching frequency of 500 kHz and provides an adjustable output voltage. Packaged in an 8-SO PowerPAD (WSON) surface-mount case, it supports operation across a temperature range of -40°C to +125°C. This component is qualified under the AEC-Q100 standard, making it suitable for automotive applications requiring robust performance and reliability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated 3-A power switch enables compact solution design
• Adjustable switching frequency allows optimization for size or transient response
• AEC-Q100 qualification ensures suitability for automotive environments

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules
• Industrial point-of-load regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix QMRX corresponds to the SO-PowerPAD-8 package and reel packaging configuration as specified in the official datasheet. Confirm AEC-Q100 automotive qualification status directly through manufacturer documentation. Ensure compatibility with required thermal management solutions given the surface-mount topology. Cross-reference the full part number against the latest Texas Instruments product selection guide to avoid ordering errors related to package or tolerance variations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a 3-A output current capability is required within a 4.5-V to 42-V input window. The adjustable frequency feature permits designers to balance electromagnetic interference filtering requirements against external component size constraints. The SO-PowerPAD-8 package offers a thermal advantage over smaller packages while maintaining a low profile. Consider the AEC-Q100 qualification if the application demands automotive-grade reliability standards compared to commercial alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2267x family of SIMPLE SWITCHER regulators, which are monolithic integrated DC/DC converters. The family includes variants with different current ratings and packages, such as the LM22670 (3 A), LM22671 (500 mA), and LM22672 (1 A). The LM22670 specifically targets applications needing higher current density in a small footprint. The QMRX suffix indicates the automotive grade and specific reel packaging format.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22670QMRE-ADJ/NOPB