LM2734YQMKX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734YQMKX/NOPB is a Texas Instruments thin SOT23 1A load step-down DC-DC regulator. It operates within an input voltage range of 3V to 20V, providing an adjustable output voltage from 800mV to 18V with a maximum output current of 1A. The device features a fixed switching frequency of 550kHz and maintains a quiescent current of 1.5mA. It supports a shutdown function and functions reliably across an extended temperature range of -40°C to +125°C. The component utilizes a 6-pin SOT-23-THIN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-frequency buck converter topology for efficient voltage regulation in compact designs.
• Includes a dedicated shutdown pin to minimize power consumption during inactive periods.
• Designed for automotive-grade reliability with specified operation across wide industrial temperature extremes.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• On-board charging modules
• General automotive electronics requiring isolated or regulated power rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'YQ' indicates automotive qualification status against the manufacturer's official datasheet. Confirm that the 'MKX' designation corresponds to the correct SOT-23-THIN tape-and-reel packaging configuration. Ensure compatibility with AEC-Q100 standards if required by the target application environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a 1A buck converter solution in a minimal footprint. The 550kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 3V minimum input requirement to ensure proper regulation under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2734 family of synchronous buck converters manufactured by Texas Instruments. It is specifically engineered for automotive applications, distinguishing it from standard commercial variants through enhanced thermal and electrical robustness specifications suitable for harsh vehicle environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734YMKX/NOPB serves as a non-automotive equivalent within the same series. Verify if automotive qualification is mandatory for the application before substituting, as the base model lacks the specific automotive reliability certifications associated with the 'Q' suffix variant.