LM22676QTJ-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22676QTJ-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an adjustable output and a 3A switch current capability. It operates with an input voltage range of 4.5V to 42V and supports a switching frequency of 500kHz. The device utilizes a TO-263-EP-7 (TO-263-7) surface-mount package and is qualified under AEC-Q100 standards for automotive applications. It functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch rated for 3A continuous output current
• Adjustable switching frequency allows optimization for efficiency or component size
• Built-in precision enable pin for system power sequencing control
• Automotive-grade qualification ensures reliability in harsh environments

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power architectures in automotive electronic systems
• Point-of-load regulation for embedded controllers
• Industrial equipment power supply conditioning
• Battery-powered systems requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q' indicates AEC-Q100 automotive qualification status. Confirm the 'TJ' designation corresponds to the TO-263-EP-7 package variant. Ensure the 'ADJ' suffix matches the requirement for an adjustable output voltage rather than a fixed value. Cross-reference the manufacturer datasheet to validate the exact pinout and thermal pad specifications for the selected package.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust voltage regulation. The adjustable output provides flexibility for various load requirements. Consider the 500kHz switching frequency for balancing magnetic component size against electromagnetic interference. Verify that the external feedback resistor network meets the required accuracy and stability criteria for the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22676 family of SIMPLE SWITCHER regulators, which are designed for high-efficiency DC-DC conversion. The family includes variants with fixed outputs and different packages. The LM22676QTJ-ADJ/NOPB specifically targets automotive markets with its extended temperature range and ruggedized packaging options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22676TJ-ADJ/NOPB: Non-automotive grade equivalent with identical electrical performance but lacking AEC-Q100 certification.