LM22676QTJE-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22676QTJE-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring a fixed 5V output and 3A current capability. It operates with an input voltage range of 4.5V to 42V at a switching frequency of 500kHz. The device utilizes a TO-263-7 (TO-263 Thin) package for surface mount installation. It supports an operating junction temperature from -40°C to +125°C and holds AEC-Q100 qualification for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated power switch enables compact buck converter designs without external high-current components
• Precision enable pin allows precise control over startup sequencing and system power management
• Fixed 5V output option simplifies design by eliminating external feedback resistor networks
• Automotive qualification ensures reliability in demanding vehicle electronic environments

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment and display power distribution systems
• Industrial controller logic and sensor supply rails
• Point-of-load regulation for embedded computing modules
• Telecommunications equipment intermediate bus conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number includes the QTJE suffix to confirm the specific TO-263-7 thin package variant. Ensure the -5.0 designation matches the required fixed 5V output specification. Confirm AEC-Q100 compliance is necessary for your target application environment. Check datasheet revisions for any updates to thermal or electrical characteristics before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required alongside 3A load capacity. The TO-263-7 package offers a balance between thermal performance and board space compared to smaller packages. Consider the 500kHz switching frequency for standard passive component sizing. Verify input voltage stability remains within the 4.5V to 42V operational window under all expected conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM22676 family of SIMPLE SWITCHER regulators, designed for efficient step-down conversion. It shares core architecture with other variants in the series but differs in package type and output configuration. The QTJE suffix specifically identifies the TO-263-7 thin form factor, distinguishing it from standard TO-263 or SOIC packages within the same functional family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22676TJ-5.0/NOPB: Standard TO-263-7 package; verify thermal pad dimensions match PCB footprint.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LM22676QTJE-5.0/NOPB include internal synchronous rectification?

No, the LM22676 series uses a non-synchronous buck topology with an integrated external diode requirement.

What is the maximum input voltage for this regulator?

The maximum supported input voltage is 42V.