LM22676MRX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22676MRX-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments. It operates with an input voltage range of 4.5V to 42V and provides a fixed output current capability of 3A. The device utilizes a buck topology with a standard switching frequency of 500kHz. It features adjustable output voltage control and includes precision enable functionality. The component is housed in an 8-SO PowerPAD package, designed for surface mount installation, and supports operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current switch capable of delivering up to 3A output
• Adjustable output voltage configuration via external resistor network
• Precision enable pin for controlled power sequencing and shutdown
• Built-in thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Industrial equipment power distribution
• Telecommunications infrastructure power supplies
• Automotive electronics subsystems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MRX' indicates tape-and-reel packaging when reviewing distributor listings. Confirm the 'NOPB' designation ensures lead-free and RoHS compliance status. Cross-reference the manufacturer part number against official Texas Instruments documentation to ensure authenticity and correct revision level before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3A output current is required within a wide input voltage range up to 42V. The adjustable output feature allows flexibility for various system voltage requirements. Ensure the application environment accommodates the specified operating temperature range and that the SO-PowerPAD package fits the available PCB footprint constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22676 family of SIMPLE SWITCHER regulators. It shares core architecture with variants like the LM22676MR-5.0/NOPB but differs in output configuration. The family is characterized by integrated switches and compact design, targeting efficient DC-DC conversion in space-constrained applications requiring robust performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LM22676 variants with compatible packages and electrical ratings. Verify pinout compatibility and thermal characteristics when considering alternatives from different manufacturers or adjacent product lines within the same series.