LT3029HMSE#TRPBF

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LT3029HMSE#TRPBF Application Field and Working Principle

The LT3029HMSE#TRPBF is an advanced linear voltage regulator and an ideal choice for low voltage bulk current regulation and load regulation. LT3029HMSE#TRPBF is designed to regulate inputs from a 5.5V to 30V+ range and provide highly efficient, low noise, and accurate outputs from 1.8V to 28V. It also features a low output noise of less than 30uA, an exceptionally low dropout voltage of 150mV at full rated load, and a very low quiescent current of only 190uA.

LT3029HMSE#TRPBF is especially suitable for applications such as load regulation for FETs, DC-DC converters, and industrial systems where bulk current and/or load regulation is needed. This device is also suitable for use in space-limited ornoise-sensitive systems.

Working Principle

At its core, the LT3029HMSE#TRPBF is a linear voltage regulator. It works by regulating the output voltage when the input voltage fluctuates beyond the specified limits. It utilizes an error-amplifier Stage, which compares the input voltage and reference voltage levels and produces an output voltage that is proportional to the difference between them. It also features adjustable current limiting, thermal shutdown, and bypass capabilities, allowing for increased voltage stability.

The regulated output voltage is regulated by either a voltage divider or a current-mode architecture. In the latter, the current-mode architecture senses the output voltage and regulates it by driving the output stage accordingly. This architecture also allows the device to be optimized for efficiency and accuracy at high output currents.

The LT3029HMSE#TRPBF features excellent accuracy, line regulation, and load regulation, even at currents up to 15A. It features an exceptionally low dropout voltage of only 150mV at full rated current output and very low noise of <30uA. It is available in a tiny MSOP-10 package, and has a drop-in replacement for the LTC3080 series.

Conclusion

The LT3029HMSE#TRPBF is a robust and reliable linear voltage regulator designed for a variety of applications, including load regulation for FETs, DC-DC converters, and industrial systems. It features excellent accuracy, line regulation, and load regulation, an exceptionally low dropout voltage of only 150mV at full rated output current, and very low noise of <30uA. It is available in a tiny MSOP-10 package with a drop-in replacement for the LTC3080 series. This device is an ideal choice for low voltage bulk current regulation and load regulation.

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