LM22673QTJE-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22673QTJE-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated 3A power switch. It operates from a 4.5V to 42V input range with a fixed 5.0V output. The device utilizes a 500kHz switching frequency and employs a TO-263-7 (PowerPAD) surface-mount package. It includes adjustable soft-start, current limit protection, and thermal shutdown. The component is qualified to AEC-Q100 standards for automotive applications and functions within a -40°C to +125°C junction temperature range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-efficiency 3A power switch for compact design
• Adjustable soft-start limits inrush current during startup
• Built-in current limit and thermal shutdown protection
• Automotive-grade qualification ensuring reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Distributed power architectures
• Point-of-load regulation modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'QTJE' against the manufacturer's official datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure the ordering part number matches the required fixed 5.0V output configuration. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from a wide 42V input rail. The TO-263-7 package provides superior thermal dissipation compared to smaller footprints, supporting continuous 3A loads. Consider the 500kHz frequency trade-off between component size and efficiency. Verify that the PCB layout supports the PowerPAD thermal pad requirements for optimal heat management.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22673 SIMPLE SWITCHER family of buck converters. It shares core architecture with other variants like the ADJ version but offers a fixed output voltage. The series is designed for high-efficiency power conversion in space-constrained environments. The NOPB suffix indicates lead-free construction compliant with RoHS directives.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22673TJE-5.0/NOPB: Identical electrical specifications and pinout; verify package tolerance compatibility.