L7812CT

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L7812CT is a Linear Voltage Regulator from the PMIC (Power Management Integrated Circuit) family.

It is an internally fixed voltage regulator which can provide a steady output voltage of +12V. The L7812CT has overload protection and thermal overload protection for maximum performance and reliability. It has a maximum reverse leakage current of less than 50uA and a maximum output current of 1.5A.

The L7812CT is mainly used in applications such as automotive electronics, industrial control systems, and consumer electronics, etc. This IC is very efficient in supplying power to the devices connected to it. It can also be used in audio systems, PCs and peripherals, control circuits, battery-powered systems, etc.

When it comes to the working principle of the L7812CT Linear Voltage Regulator, it is based on the voltage difference between its input and output. Briefly, the input voltage of the regulator is filtered and regulated to achieve the desired output voltage. The difference in voltage between the input and output is called the dropout voltage, which is typically 1 to 2V.

The L7812CT can work within a wide input voltage range from 10V to 32V. Its output voltage is regulated to 12V with less than 1% output tolerance. It has on-state resistance of 0.37Ω and the quiescent current is 300mA max. The L7812CT also supports thermal overload and short circuit protection.

In conclusion, the L7812CT is a reasonably priced, high performance voltage regulator ideal for applications requiring an output of 12V. Its wide input voltage range, low noise generation, relatively low quiescent current, and adjustable output makes it an excellent choice for a variety of consumer and professional electronics.

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