LM22679TJE-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22679TJE-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated power switch. It supports an input voltage range of 4.5 V to 42 V and delivers up to 5 A output current. The device operates at a fixed switching frequency of 500 kHz, enabling the use of compact external components. It provides adjustable output voltage within the specified input limits and includes thermal shutdown and current limit protection. The component is housed in a TO-263-EP-7 surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current power switch for efficient step-down conversion
• Fixed 500 kHz switching frequency minimizes passive component size
• Adjustable output voltage capability via external resistor network
• Built-in thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics systems
• Distributed power architectures
• Battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Ensure the supplier provides traceability documentation compliant with automotive standards if required. Confirm RoHS compliance status through manufacturer declarations. Validate that the package variant matches the intended PCB footprint requirements before finalizing orders.

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 load requirements. Consider the TO-263-EP-7 package for its thermal performance and mounting options. Evaluate the 500 kHz frequency trade-off between component size and efficiency for the specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22679 family of SIMPLE SWITCHER regulators from Texas Instruments. It shares architectural similarities with other members like the LM22676 and LM22670 but offers higher current capacity. The family is designed for high-efficiency DC-DC conversion in space-constrained applications requiring robust protection features.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22679TJE-5.0/NOPB offers a fixed 5.0 V output option within the same series.