REC3-4809DRW/H4/C/SMD-R

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DC-DC converters are voltage and current controllers used in power electronics applications for convert DC voltages from one level to another. They are especially useful for powering applications that require effiecient and stable power supply. A REC3-4809DRW/H4/C/SMD-R converter is one example of such controllers. It is used to provide an adjustable output voltage range of 4.5v to 12v and has a maximum output current of 3A.

The REC3-4809DRW/H4/C/SMD-R is a step-down DC-DC converter, i.e., it converts a higher voltage input to a lower voltage output. The input voltage range is 9V to 80V and the output voltage is adjustable relative to the input voltage between 4.5V and 12V. The maximum power rating of the converter is 36W. In addition, the converter has an efficiency of 90% and line and load regulation of 5%.

To understand the working principle of the REC3-4809DRW/H4/C/SMD-R converter, let\'s go through the key components of the converter. It comprises of a transformer, bridge rectifier, filter capacitor, power transistor, current limit circuit, overload protection circuit, and a voltage adjusting circuit.

The transformer steps down the input voltage. The bridge rectifier rectifies the stepped down voltage to create a DC voltage output. The filter capacitor then smoothens the pulsating DC voltage to create a smooth DC output. The power transistor and current limit circuit, acts as the main switch for controlling the maximum current draw of the converter. Finally, the overload protection and voltage adjusting circuits act as circuitry for controlling the maximum output voltage of the converter.

REC3-4809DRW/H4/C/SMD-R converter is widely used in several DC-DC voltage conversion application. Such applications include automotive, communications, industrial control, medical, consumer electronics, power supplies, and distributed power systems. Its key advantages are its adjustable output voltage 2:1 to 8:1, wide input voltage range from 9V to 80V, high efficiency 90%, and enhanced thermal performance.

In summary, the REC3-4809DRW/H4/C/SMD-R converter is a step-down DC-DC voltage converter that is used for efficient and stable DC-DC power supply applications. It has wide input voltage range, adjustable output voltage range, high efficiency and highly reliable and stable performance.

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