LM2674M-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2674M-ADJ is a DC-DC switching buck converter manufactured by UMW, operating at a fixed frequency of 260 kHz. It features an input voltage range of 7V to 40V and supports an adjustable output voltage from 1.21V to 37V with high precision (±2%). The device delivers a maximum output current of 500mA and includes built-in overcurrent protection and overtemperature shutdown. Housed in an 8-SOP package, it utilizes internal efficient power switches and requires minimal external components for implementation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Built-in overcurrent protection and overtemperature shutdown functions
• Adjustable output voltage range from 1.21V to 37V
• TTL shutdown capability with hysteresis on the ON/OFF pin
• High efficiency with simple peripheral circuit requirements

Voltage Regulators - DC DC Switching Regulators Applications

• General-purpose DC/DC voltage reduction and stabilization
• Battery-powered systems requiring efficient step-down conversion
• Industrial control circuits with wide input voltage variations

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm the exact output configuration and tolerance. Ensure the ordering part number matches the required package type and temperature rating. Cross-reference the component marking code with the latest production documentation to avoid counterfeit or obsolete variants during procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed-frequency 260kHz buck converter is needed with an adjustable output voltage up to 37V. It is suitable for applications requiring 500mA load capacity with integrated protection features. Consider the 8-SOP package constraints and thermal performance under maximum load conditions relative to the ambient operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2674 series belongs to UMW's line of DC-DC switching regulators designed for high-efficiency power management. This family utilizes PWM control to adjust duty cycles dynamically, ensuring stable output across varying loads. The ADJ variant specifically allows for customized voltage settings via external resistors, offering flexibility compared to fixed-output models within the same series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes such as the LM2674M-12 or LM2674M-5 if fixed voltages are acceptable. Verify pin compatibility and thermal characteristics before replacing with other buck converters like the LM2574 series, noting differences in switching frequency and package types.