RAC01-05SC

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AC/DC converters are commonly used in a wide range of applications, especially in electric power systems. RAC01-05SC application fields and working principles form part of these aims. The converter works by rectifying an alternating current into a direct current, regulator the voltage, and then convert it into a constant voltage output.

The RAC01-05SC operates with single phase supply power. It accepts a wide input voltage range from 85V to 265V AC and provides an output voltage regulated from 0-58V DC. The product is available in three power output ratings: 20W, 25W, and 30W. The working principles are always the same, regardless of the load configurations.

When the supply voltage is connected, the power will be switched on by the internal high and low input overvoltage protection. The secondary rectifier diodes will conduct, and the converter will start to rectify the alternating current into a direct current. This direct current will be feed to a switching converter comprised of a switching regulator IC and external high frequency field effect transistor (FET). The switching converter converts the rectified current into a filtered output voltage by varying the duty-cycle of the regulator IC. As the output current and voltage increase, the switching regulator will reduce the on-time of the FET, ensuring a safe, triangular output waveform, providing a constant and regulated output voltage.

The converter is also equipped with a built-in over-voltage protection, over-current protection, short circuit protection, and temperature protection. If a situation arises where any of these protections are triggered, such as an over-voltage situation, the IC will cease the switching of the FET, and the output voltage will not exceed the upper limiting value.

The RAC01-05SC is regarded as a highly reliable solution for applications requiring a simple, cost-efficient, and ordered AC/DC power source. Its smaller size and low EMI make it significantly advantageous in tight spaces and restrictive environments.

In conclusion, RAC01-05SC application fields and working principles represent a highly reliable AC/DC converters used in a wide range of applications. Its design enables high efficiency, wide input voltage ranges, and intelligent protection features all in a compact package.

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