L78LR05EL-TR-E

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 L78LR05EL-TR-E is an important component of power management integrated circuits (PMIC) that helps to ensure the quality and consistency of the voltages provided to a device. It belongs to the linear voltage regulators family and works to protect a system against voltage spikes and drops. In this article, we will discuss the application fields and the working principle of the L78LR05EL-TR-E.

Application Fields

The L78LR05EL-TR-E is used in a wide range of industrial, consumer, and automotive applications. Due to its high performance characteristics, it is suitable for both low- and high-power systems. In consumer applications, this voltage regulator is often used to provide reliable, noise-free voltage supply for consumer electronics such as digital cameras, portable media players, and mobile phones. Additionally, it is used in a variety of automotive applications, such as vehicular electronics, stability control systems, and ABS.

In industrial applications, the L78LR05EL-TR-E is especially useful as a system-level power supply in a wide range of power management applications, ranging from industrial automation to building automation. It is also often used in embedded systems, motion control, and telecom networking systems to ensure quality power. In addition to this, it is used in Li-Ion battery management systems, allowing for efficient charger management.

Working Principle

The L78LR05EL-TR-E is a linear voltage regulator that achieves its voltage regulation by means of a feedback loop. The voltage regulation circuit consists of two main components: an error amplifier and a series pass element. These two elements are connected in a closed loop which ensures that the output voltage corresponds with the reference voltage.

When the output voltage rises above the reference voltage, the error amplifier reduces the gain applied to the base of the series pass element, which results in a decrease in the output current and a corresponding decrease in voltage. Similarly, when the output voltage drops below the reference voltage, the error amplifier increases the gain applied to the base of the series pass element, which results in an increase in the output current and a corresponding increase in voltage.

The L78LR05EL-TR-E has a number of features which help to ensure precise voltage regulation and to reduce power consumption. Firstly, its internal compensation features enable the regulation of precise voltage levels and the elimination of voltage spikes. Secondly, it has an adjustable output voltage up to 5.0V and a maximum output current of 5A, allowing for a wide range of applications. Furthermore, it also provides a thermal protection feature to ensure the safe operation of the device.

In summary, the L78LR05EL-TR-E is a linear voltage regulator used in a wide variety of industrial, consumer, and automotive applications. Its feedback loop allows for precise voltage regulation and its internal compensation features help to reduce voltage noise and power consumption.

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