VE-260-EW

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DC DC Converters

DC-DC converters are a type of electronic power product that converts direct current (DC) from one voltage level to another. An example of such a converter is the VE-260-EW, which is used to convert a voltage of 12-24V DC into a voltage of 5-48V DC. The VE-260-EW is used in distributed power system applications to provide a galvanically isolated intermediate voltage.

The VE-260-EW has a few key components, such as input filter capacitors, an input bridge rectifier, an isolated gate driver transformer, two power MOSFETs, two output filter capacitors, and a dynamic current feedback loop. The input filter capacitors filter any spurious noise signals from the input, which is usually the 12-24V DC range. The input bridge rectifier takes this input, rectifies it, and produces a pulsating DC voltage. This rectified voltage is then supplied to the power MOSFETs, which are controlled by the isolated gate driver transformer. The transformer generates a pulse width modulation signal, which is used to control the drain-source voltage of the power MOSFETs. The power MOSFETs act as an electronic switch that can be used to convert the input voltage into the desired output voltage, which is either 5-48V depending on the application.

The output filter capacitors filter any noise that is generated as a result of the disrupted frequency and help ensure smooth output. The dynamic current feedback loop is an important component, as it helps reduce power loss and increase the efficiency of the converter. The loop monitors the output current constantly and adjusts according to the current needs of the load.

The VE-260-EW is a durable and reliable DC-DC converter with an efficiency of up to 96%. It has an extended temperature range of -40℃ to +100℃ that allows it to be used in a variety of applications. In addition, it has a soft start feature as well as an overload and reverse polarity protection to ensure the safety of the connected devices.

The VE-260-EW application field and working principle is quite straightforward: it converts a voltage of 12-24V DC into a voltage of 5-48V DC in order to provide a galvanically isolated intermediate voltage. It is made up of several components, including input filter capacitors, an input bridge rectifier, an isolated gate driver transformer, two power MOSFETs, two output filter capacitors, and a dynamic current feedback loop. Its efficiency can be as high as 96% and it is rated for an extended temperature range of -40℃ to +100℃.

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