LM3673TL-1.5/NOPB

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The LM3673TL-1.5/NOPB is a high-efficiency synchronous step-down DC/DC converter, which is part of the analog family of integrated circuit (IC) from Texas Instruments. It is known as a Non-over-power protection version (NOPB) of the LM3673 voltage regulator series. This type of voltage regulator is commonly used to convert a higher input voltage into a low-level output and is primarily designed for applications that require such voltage conversion, such as in automobile power converters, fast charging, and solar power supplies.

The LM3673TL-1.5/NOPB step-down DC/DC converter is a positive-output, low-side regulated synchronous buck regulator that provides a regulated output voltage of 1.5V up to a maximum output current of 2A. It is a non-over-power protection version of the LM3673, which allows it to operate at a higher input power compared to the standard version. This makes it ideal for applications in which a higher power level is required and for environments in which the input voltage can vary greatly. In addition, the converter includes a low-noise operation, adjustable output current limit, and adjustable soft-start feature, thus allowing it to deliver a very precise output level.

Application Field and Working Principle

The LM3673TL-1.5/NOPB step-down DC/DC converter can be used in a wide range of applications, including automotive systems, solar power supplies, fast charging and more. Its wide range of features make it an ideal solution for power-intensive applications that require very precise output voltages. In addition, its low operating current and space-saving design make it a suitable solution for embedded designs such as in industrial applications.

The LM3673TL-1.5/NOPB step-down DC/DC converter operates by using feedback control to adjust the output voltage to a preset level. This process is known as “feedback regulation”. The converter operates in a continuous switching mode to produce a regulated output. In this mode of operation, the converter regulates the output voltage by switching between high-side and low-side power MOSFETs in a switching regulation cycle. The output voltage is regulated by comparing the output voltage to a reference. This reference is typically the output voltage setting.

The LM3673TL-1.5/NOPB step-down DC/DC converter also includes a number of protection features to enhance system reliability. These features include protection against overvoltage, short-circuit, dynamic over current protection, thermal protection, and current sense pre-bias protection. In addition, the LM3673TL-1.5/NOPB provides adjustable output current limit and adjustable soft-start features, thereby allowing the regulator to be used in a wide range of applications.

Conclusion

The LM3673TL-1.5/NOPB step-down DC/DC converter is a versatile and efficient voltage regulator that can be used in a wide range of applications. Its wide range of features and protection features make it an ideal solution for power-intensive applications. Its high efficiency and adjustable output current limit ensure a precise output voltage at all times. In addition, its ability to operate in continuous switching mode and its included protection features help to reduce system downtime and further increase system reliability. These features make the LM3673TL-1.5/NOPB a great choice for embedded applications and industrial use.

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