LM22670MR-ADJ/J7002406

Voltage Regulators - DC DC Switching Regulators Overview

The LM22670MR is a step-down switching regulator from Texas Instruments, featuring an integrated power switch rated for 3.5 A of output current. It operates with an input voltage range of 2.7 V to 40 V and supports adjustable output voltages down to 1.28 V. The device utilizes a fixed 150 kHz switching frequency to minimize external component size while maintaining high efficiency. Internal protections include cycle-by-cycle current limiting, thermal shutdown, and soft-start functionality to ensure robust operation under various load conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current power switch simplifies design by reducing external component count
• Fixed switching frequency enables the use of small inductors and capacitors
• Comprehensive protection suite ensures reliability against overcurrent and overheating events

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Battery-powered systems requiring efficient voltage conversion
• Embedded computing platforms needing stable low-voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes on the datasheet to confirm pinout compatibility and temperature range specifications. Ensure that the ordering information matches the exact package type and tape-and-reel quantity required for your manufacturing process. Cross-reference the manufacturer's official documentation to validate all electrical characteristics before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with moderate current capability is required. The fixed frequency operation aids in electromagnetic interference filtering compared to variable frequency alternatives. Consider the thermal performance of the SOIC-8 package for your specific ambient temperature constraints and airflow conditions during the initial design phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2596/LM2267x family of buck converters, representing a generation of regulators designed to replace linear supplies in medium-power applications. The series offers improved efficiency and reduced heat dissipation compared to older linear technologies, making it suitable for modern electronic designs where space and thermal management are critical factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements must match the 3.5 A current rating and 40 V maximum input voltage. Verify pin-to-pin compatibility if substituting within the same package style. Check for equivalent switching frequencies to maintain filter component values without redesign.