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DC DC Converters

DC-DC converters are electronic circuits or electromechanical devices that convert a source of direct current (DC) from one voltage level to another. They are the most efficient voltages for power lines, providing maximum power transfer and minimum power losses. This article will discuss the REC15-4812D/H2/M/X2 application field and working principle.

Application Fields

The REC15-4812D/H2/M/X2 is a DC-DC converter from RECOM Power that provides up to 15A of peak current output. It can be applied in a wide range of industrial, medical, telecommunications and audio-visual applications. It is suitable for applications requiring stable and efficient power conversion, and provides additional features such as remote sense, active current-limit protection, short-circuit protection, and thermal protection.

The REC15-4812D/H2/M/X2 is an excellent choice for applications such as audio-visual, telecom infrastructures, medical electronics, and general power conversion. It can also be used in lighting control, motor drives, industrial automation, and many other industrial applications.

Working Principle

The working principle of a DC-DC converter is based on the conversion of a DC voltage with a transformer. When an alternating current (AC) waveform is applied to the primary side of the transformer, it induces a magnetic field which, in turn, creates an AC voltage on the secondary side of the transformer, and a corresponding DC voltage on the output side. The transformer core acts as an isolating barrier between the two supplies, allowing the input signal to enter the transformer while simultaneously preventing the output voltage from entering the input side.

The transformer\'s output voltage can be either increased or decreased by adjusting the input voltage. An increase in voltage is known as a boost converter, while a decrease in voltage is known as a buck converter. These converters are often used in applications where a low output voltage is required, such as in mobile devices, laptops and other portable devices.

The operation of the REC15-4812D/H2/M/X2 is based on a tiny digital signal processor (DSP) to implement the closed-loop control of output voltage and current. The DSP is used to calculate output voltage and current values, and generate pulse width modulated (PWM) signals with specific duty cycles to accurately adjust the output voltage and current.

Conclusion

The REC15-4812D/H2/M/X2 is an advanced DC-DC converter from RECOM Power that provides high efficiency and performance. It is an ideal solution for a wide range of industrial, medical, telecom, and audio-visual applications. Its technology is based on the transformer principle of voltage conversion, in combination with a DSP to accurately adjust both the output voltage and current.

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