LD49150PT12R

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The LD49150PT12R is a linear voltage regulator that is designed to operate from 3.2V to 25V inputs and deliver up to 1.2A output currents. It features adjustable current limit, plus short-circuit and over-temperature protection. The LD49150PT12R is ideal for applications such as DVD players, LCD TVs, and other consumer electronics that require voltage regulation across various power rail voltages. In this article, we will discuss the application fields and working principles of LD49150PT12R.

Application fields

The LD49150PT12R is ideal for a wide range of voltage regulation applications in consumer electronics, such as DVD players, LCD TVs, video game consoles, GPS receivers and more. The device is also suitable for powering telecommunication systems, such as cell phones, base stations and switching systems, as well as networking applications such as routers, hubs and switches. Additionally, the LD49150PT12R is well-suited for automotive applications such as automotive audio, vehicle monitoring systems and power supply systems. Furthermore, it can be used in industrial applications such as led lighting and motor control.

Working principle

The working principle of the LD49150PT12R revolves around a simple concept. The device uses an internal linear regulator and an internal n-channel MOSFET switch to maintain the desired level of output voltage. The internal linear regulator is biased to a fixed output voltage, usually set by an external resistor. When the voltage across the output falls below its target value, the internal MOSFET switch will turn on, allowing current to flow from the input to the output. Similarly, when the input voltage rises above its target value, the MOSFET switch will turn off, preventing current flow from the input to the output. This feedback mechanism ensures the desired output voltage is maintained.

Conclusion

The LD49150PT12R is a versatile linear regulator designed to operate from 3.2V to 25V input voltages and deliver up to 1.2A output currents. It is suitable for a wide range of applications in consumer electronics, telecom systems, automotive, industrial and networking products. The device works according to a simple feedback mechanism, using an internal linear regulator and internal n-channel MOSFET switch to maintain the desired output voltage.

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