IEU0212D12 Power Supplies - Board Mount

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DC-DC converters refer to devices that have the ability to convert a direct current (DC) into another form of direct current. This could be a higher voltage, lower voltage, or a higher frequency or a combination of these three. The IEU0212D12 is a DC-DC converter which is actually a step-down converter that can convert an input voltage into a lower output voltage by utilizing a voltage step-down technique. The application field of this converter is, but not limited to, automobiles, computers, digital cameras, and virtually all electronic access control devices.

The Working Principle

The working principle of the IEU0212D12 DC-DC converter is based on the voltage step-down conversion technique. With this technique, the converter draws energy from a higher voltage and then using a separate circuit, it filters and converts it to a lower level voltage. The purpose of this process is to maintain a set voltage and also to supply the necessary current to any electrical or electronic device.

To begin, a transistor, in the IEU0212D12, draws energy from the higher input voltage and then routes the energy to an inductor that spikes in current due to the sudden voltage input. This spike in current is then fed to the capacitor and the diode rectifier bridge in the circuit and this reduces the current to a stable level, thus converting the high voltage to the lower output voltage.

A regulator is also integrated in the circuit to dampen the output voltage and also a Schottky diode is connected in series with the inductor in order to act as a switch that prevents the output voltage of the circuit from being too high due to the inductor. This allows the circuit to operate without the risk of overvoltage.

The IEU0212D12 also incorporates an integrated inductor with a high-frequency switching power converter. This allows the converter to operate without an input transformer and also allows it to maintain a set current despite variations in the input voltage.

This DC-DC converter is also known for its efficiency as it operates at high-frequency and has an overall efficiency as high as 95%. The IEU0212D12 is also notable for its low power loss which is an important factor in power converters.

Conclusion

The IEU0212D12 DC-DC converter is a step-down converter that can convert a higher input voltage into a lower output voltage using voltage step-down technique. It is suitable for, but not limited to, a wide range of electronic and electrical devices such as computers, automobiles, digital cameras, and so on. This converter is capable of operating at high frequency with a loss of power as low as 0.5%. In addition, it has an overall efficiency of 95%, making it suitable for use in high power systems.

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