LMV431IM5/NOPB Integrated Circuits (ICs)

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The LMV431IM5/NOPB is a 3-terminal adjustable micropower voltage reference from Texas Instruments. This voltage reference provides an output voltage of up to 20 V, it offers a precision of 0.3 mV and a high accuracy of 0.5%. It\'s a way more accurate than other competing voltage references. It also has a wide operating temperature range, ranging from -40 °C to 125 °C.

The LMV431IM5/NOPB is designed to be used as an adjustable voltage reference in power management applications, such as telecom, computer, industrial and test and measurement equipment. The advantage of using it as a voltage reference is that it can be programmed to a desired output voltage and allow for the necessary voltage adjustments without having to switch parts, connect hundreds of pins or worry about the accuracy of the results.

The LMV431IM5/NOPB features an on-chip programmable current source, a BUF431 amplifier, and an on-chip, adjustable series resistance network. The terminals are connected together to form a stable, feedback circuit, which allows for the output voltage to be adjusted. The feedback network consists of a series resistance network, a linear regulator and a feedback amplifier. The series resistance network is used to control the output voltage, the linear regulator is used to supply power to the feedback amplifier, and the feedback amplifier is used to maintain the output voltage.

The LMV431IM5/NOPB works on CMOS processes, providing an adjustable output voltage with a tolerance of 0.3 mV. The output voltage is adjustable by using three external resistive voltage dividers. The device is designed such that the output voltage is stable over temperature and time with a temperature drift of 0.004 V/°C.

The LMV431IM5/NOPB is ideal for use in demanding applications like mobile phones, portable navigation devices and other power management systems. It provides voltage regulation accuracy over a range of −40 °C to 125 °C and provides a low quiescent current of 50 μA typically. It also features a fast switching speed of 20 kHz and a maximum spread of 0.5%.

In conclusion, the LMV431IM5/NOPB is an ideal solution for power management applications which require fast switching and an accurate output voltage. With a high accuracy and low quiescent current, the LMV431IM5/NOPB provides a reliable and stable voltage reference for design engineers. With its wide operating temperature range and programmable current source, LMV431IM5/NOPB offers superior performance even in the harshest of environments.

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