REC3-4812SRW/H2/A/M/SMD-R

DC DC Converters

DC DC converters, also known as buck converters, are electronic circuits used to convert electrical power from one DC voltage level to another. In contrast to linear voltage regulators, where the regulated output voltage is obtained by varying the resistance of an element in series with a voltage supply, in DC DC converters there is no series element and the voltage is varied mainly by controlling the duty cycle of a switch.

The type of buck converter we will discuss here is the REC3-4812SRW/H2/A/M/SMD-R, a step-down DC DC converter that can efficiently convert an input voltage of 12V to an adjustable output voltage of up to 8V. The main feature of this converter is its ability to reduce the size of the power supply circuit, allowing for more efficient power management.

Applications

The REC3-4812SRW/H2/A/M/SMD-R DC DC converter is used in a variety of applications. It can be used in a wide range of consumer electronics such as computers, TVs, notebooks, tablets, and mobile phones, allowing them to power their various components in a smaller and more efficient manner. In addition, it is often found in industrial and commercial control systems, powering lights, motors and other apparatus.

Working Principle

The REC3-4812SRW/H2/A/M/SMD-R DC DC converter works using a switch mode power system. This system uses a transistor switch, an inductor and a capacitor to convert the input voltage to a different output voltage. First, the transistor switch is activated, connecting the input voltage to the inductor, and the current begins to flow. As the current flows through the inductor, energy is stored in it in the form of a magnetic field. The transistor switch then disconnects, slowing the current flow and releasing the stored energy into the capacitor, producing the output voltage.

The amount of energy that is released determines the output voltage. This is controlled by adjusting the duty cycle of the transistor switch, which is the percentage of the time that the switch remains on. A longer duty cycle produces a higher output voltage, while a shorter duty cycle produces a lower output voltage. This process takes place continuously, ensuring a steady, adjustable output voltage.

Conclusion

The REC3-4812SRW/H2/A/M/SMD-R is an efficient and compact step-down DC DC converter. Due to its small size and adjustable output voltage, it is widely used in a variety of applications, including consumer electronics, industrial motors and systems, and commercial control systems. The converter operates using a switch mode power system, in which the duty cycle of a transistor switch is adjusted to control the output voltage.