LM22676QMR-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22676QMR-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It operates within an input voltage range of 4.5V to 42V and delivers up to 3A of output current. The device features a fixed switching frequency of 500kHz and utilizes an adjustable output configuration. It is housed in an 8-SO-PowerPAD package and supports a junction temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side switch enables efficient buck conversion without external components
• Precision enable pin allows for system power sequencing and shutdown control
• Automotive-grade reliability ensures operation under harsh environmental conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body electronics power distribution
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'QMR' indicates the qualified automotive grade and SO-PowerPAD-8 package variant. Confirm that the 'ADJ' designation requires external feedback resistors for voltage setting. Ensure compatibility with AEC-Q100 requirements for your target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, automotive-rated buck converter is required for inputs up to 42V. The adjustable output offers flexibility for various rail voltages compared to fixed versions. Consider the thermal performance of the PowerPAD package for heat dissipation needs in enclosed spaces.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22676 family of SIMPLE SWITCHER regulators. It shares core topology with non-qualified variants but includes enhanced testing and documentation for automotive use. The QMR suffix distinguishes it by package type and qualification status within the broader product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22676QMRX-ADJ/NOPB: Different package (SOT-23-5 vs SO-PowerPAD-8). LM22676QMRE-ADJ/NOPB: Different package (PowerSOIC-8 vs SO-PowerPAD-8). Verify pinout and thermal pad connectivity before substitution.