SI91872DMP-50-E3

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The SI91872DMP-50-E3 is a linear regulator from the Power Management and Integrated Circuit (PMIC) series of voltage regulators manufactured by Sanken Electronic. The device is specifically designed for automotive applications, with features such as an integrated load dump circuit, an On/Off bypass switch, and reverse and overvoltage protection. Its high efficiency and low power consumption also make it suitable for other applications such as energy conversion systems and industrial control systems. In this article, we will discuss the application field and working principle of the SI91872DMP-50-E3 voltage regulator.

The SI91872DMP-50-E3 is a linear regulator with a three-terminal adjustable positive output voltage up to 50V and output current up to 500mA. It is a voltage regulator specifically designed for automotive applications but can also be used in other energy conversion systems and industrial control systems. This device has been designed to supply system power in car audio and navigation systems, power amplifiers and other components within the electrical systems of cars and light commercial vehicles. It has an integrated load dump circuit to protect against transient overvoltage in automotive applications, an On/Off bypass switch, and reverse and overvoltage protection. It also features low power consumption and high efficiency, making it an ideal solution for automotive applications.

The working principle of the SI91872DMP-50-E3 is based on a 3-terminal adjustable positive regulator. The device is composed of an error amplifier, a reference voltage source, an output voltage adjust terminal, and a power transistor, all controlled by a single control chip. The input voltage is applied to the linear regulator and the control chip regulates the voltage to the output voltage level. The error amplifier compares the output voltage to the reference voltage and adjusts the output voltage of the regulator accordingly. The output voltage adjust terminal can be used to adjust the output voltage of the linear regulator up to a maximum of 50V.

The SI91872DMP-50-E3 linear regulator is an ideal device for automotive applications as it provides a high efficiency, low power consumption and robust protection, while being able to adjust the output voltage up to a maximum of 50V. In addition, its integrated load dump circuit and reverse and overvoltage protection make it suitable for use in energy conversion systems and industrial control systems. It is a robust and reliable device for any application, especially for automotive applications, where it is particularly useful for supplying system power for car audio and navigation systems, power amplifiers and other components within the electrical systems of cars and light commercial vehicles.

The specific data is subject to PDF, and the above content is for reference