LM22679QTJ-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22679QTJ-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated power switch capable of delivering up to 5A output current. It operates with an input voltage range from 4.5V to 42V and provides a fixed 5V output. The device utilizes a 500kHz switching frequency and is housed in a TO-263-7 surface-mount package. Qualified under AEC-Q100 standards, it supports operation temperatures between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency power switch for compact design
• Includes internal frequency compensation for minimal external component count
• Features precision enable pin for system power sequencing control

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive electronics systems requiring robust power regulation
• Industrial equipment power distribution networks
• Distributed power supply architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix QTJ indicates automotive qualification and reel packaging configuration. Confirm the NOPB designation ensures lead-free compliance and RoHS adherence. Cross-reference the manufacturer datasheet to validate the exact thermal performance characteristics associated with the TO-263-7 package for your specific PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output at 5A is required within a wide input voltage range up to 42V. The TO-263-7 package offers superior thermal dissipation compared to smaller footprints. Ensure the application environment meets the AEC-Q100 requirements if used in automotive contexts. Consider the 500kHz frequency trade-off between component size and efficiency.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22679 family of SIMPLE SWITCHER regulators, designed for high-current applications. The QTJ variant specifically denotes automotive grade qualification and tape-and-reel packaging. It serves as a robust solution for replacing linear regulators or older switching topologies in space-constrained designs requiring high efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22679QTJE-5.0/NOPB (Cut-tape version)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The device supports a maximum input voltage of 42V.

Does this component meet automotive reliability standards?

Yes, the QTJ suffix indicates AEC-Q100 qualification for automotive applications.