LM385BLP-1-2

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The LM385BLP-1-2 is a type of PMIC (power management integrated circuit) that is used as a voltage reference. Its even output voltage and wide temperature range makes it very versatile and robust in applications. This article will discuss the application fields and working principle of the LM385BLP-1-2.

The LM385BLP-1-2 is a versatile voltage reference with an output range of 0.250V to 2.500V and a typical temperature coefficient of 2.5 ppm/°C. It is well suited for precision industrial, medical, commercial and home applications since it’s easily adjustable, allowing users to maintain the desired output voltage. Additionally, the LM385BLP-1-2 can be used as a reference in signal processing or data acquisition systems, meaning an extremely accurate output voltage is required.

The LM385BLP-1-2 is also used in automatic calibration systems, voltage monitoring and testing products, as an adjustable power supply source, and various other precision circuit applications. The device itself is capable of supplying 1.2 times of the desired output voltage to ensure linearity and gain accuracy of the output voltage over varying load currents. Moreover, its wide temperature range makes it well suitable for use in extreme environments.

As far as the working principle of the LM385BLP-1-2 is concerned, it basically utilizes a voltage divider to set the desired output voltage. The output voltage is set by adjusting the initial and final resistors of the voltage divider. The LM385BLP-1-2 has an input voltage range of 3.5V to 20V and it can respond to pulse and current inputs. It also utilizes a special temperature sensing circuit and active regulation technology to ensure that the output voltage is constant and stable over temperature variations.

The LM385BLP-1-2 also has several other features, such as a low power shutdown circuit, which allows it to turn off the device when not in use and reduce power dissipation, and a low dropout voltage regulator, which ensures that the output voltage remains within the specified range. The device also uses a precise voltage reference cell, designed to minimize manufacture variations, so that output voltage accuracy is always maintained.

The LM385BLP-1-2 also comes with several protection features, such as over-current, over-voltage and reverse-polarity protection. This ensures that the device is resilient to any sudden changes in the input voltage and thus providing a much longer working life. The LM385BLP-1-2 also has an ESD protection circuit and an input transient protection device, making it suitable for use in medical applications.

In conclusion, the LM385BLP-1-2 is an excellent voltage reference with several useful features and a wide temperature range. It is ideal for use in precision industrial, medical, commercial and home applications, as well as for signal processing and data acquisition systems. Furthermore, its temperature sensing and voltage reference cell ensures that the output voltage accuracy is maintained even in extreme environments. Finally, the protection circuitry ensures that the device works even in sudden changes in the input voltage.

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