LM22676QMRE-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22676QMRE-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator manufactured by Texas Instruments. It features a fixed internal switch rated for 3A output current and operates with an input voltage range of 4.5V to 42V. The device provides an adjustable output voltage, utilizing a switching frequency of 500kHz. It is housed in an 8-SO-PowerPad surface-mount package and supports operation across a temperature range of -40°C to +125°C. The component holds AEC-Q100 qualification for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current internal power switch capable of delivering up to 3A load current
• Wide input voltage operating range supporting 4.5V to 42V supply sources
• Adjustable output voltage configuration via external feedback network
• Automotive-grade reliability certified under the AEC-Q100 standard

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment and display power distribution systems
• Industrial control board voltage regulation
• Embedded computing system point-of-load conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the ordering suffix matches the required package variant, as the QMRE designation specifically indicates the SO-PowerPAD-8 form factor. Confirm the ADJ suffix is present to ensure the device supports adjustable output rather than a fixed voltage setting. Ensure the NOPB suffix is included to guarantee compliance with lead-free manufacturing standards and RoHS directives. Cross-reference the manufacturer part number against official Texas Instruments documentation to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a buck converter requires handling input voltages up to 42V while providing a continuous 3A output. The adjustable output feature allows flexibility for various target voltage rails compared to fixed-output variants. Consider the thermal performance of the PowerPAD package for heat dissipation requirements in enclosed environments. Verify that the 500kHz switching frequency aligns with electromagnetic interference constraints and passive component size limitations in the target design.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the SIMPLE SWITCHER family, which integrates power switches and control logic into a single compact solution. The LM22676 series offers a balance of high efficiency and robust protection features. The specific QMRE package variant provides enhanced thermal conductivity through an exposed pad, facilitating better heat transfer to the printed circuit board compared to standard plastic packages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM22676QMRE-5.0/NOPB
• LM22676MRX-ADJ/NOPB