LM22673QTJ-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22673QTJ-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated 3A power switch. It operates with a fixed 5V output and supports input voltages from 4.5V to 42V. The device utilizes a buck topology at a 500kHz switching frequency, housed in a TO-263-7 package. It includes adjustable soft-start and current limit functions, ensuring reliable operation across temperatures ranging from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3A power switch for high-current step-down conversion
• Features adjustable soft-start to control inrush current during startup
• Includes built-in current limit protection for fault handling
• Supports wide input voltage range up to 42V

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Embedded system power distribution
• Automotive electronics subsystems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number against official Texas Instruments documentation to confirm the specific suffix and package variant. Ensure compatibility with AEC-Q100 qualification requirements if automotive application is intended. Cross-reference datasheet specifications for thermal performance and pinout configuration prior to integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required with up to 3A load capability. Consider the TO-263-7 package for adequate thermal dissipation in high-power scenarios. Evaluate the 500kHz switching frequency against EMI constraints and external component size requirements compared to lower or higher frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the LM22673 series of SIMPLE SWITCHER devices. It shares architectural similarities with other members like the LM22673QMRE and LM22673TJE but differs in package type and specific output configuration. The series focuses on providing robust, easy-to-design DC/DC solutions for demanding environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM22673QTJ-ADJ/NOPB
• LM22673TJE-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The LM22673QTJ-5.0/NOPB supports a maximum input voltage of 42V.

Does this device include thermal protection?

Yes, the device incorporates thermal shutdown protection to safeguard against overheating conditions.