LM22679QTJE-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22679QTJE-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated power switch. It delivers up to 5 A output current with an input voltage range of 4.5 V to 42 V. The device operates at a fixed switching frequency of 500 kHz and provides adjustable output voltages. It utilizes a TO-263-7 package, supports AEC-Q100 qualification for automotive applications, and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current power switch enables compact design
• Adjustable output voltage via external resistor network
• Automotive-grade reliability through AEC-Q100 qualification

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power architectures in automotive systems
• Board-level point-of-load regulation
• Industrial equipment power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the ADJ suffix to confirm adjustable output configuration. Ensure the NOPB designation indicates lead-free status. Confirm the QTJE suffix matches the required TO-263-7 package variant. Cross-reference the manufacturer datasheet for specific thermal performance data under your intended load conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 5 A buck converter is required with an input voltage up to 42 V. The adjustable output feature allows flexibility for various system rails. Consider the 500 kHz switching frequency for passive component sizing. The automotive qualification makes it suitable for harsh environments requiring extended temperature operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22679 SIMPLE SWITCHER family from Texas Instruments. It is a monolithic integrated circuit designed for easy implementation of step-down conversions. The family includes fixed and adjustable output variants, sharing common control logic and protection features within the same package footprint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22679QTJE-5.0/NOPB offers fixed 5 V output instead of adjustable.