VI-J0K-EZ

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DC-DC converters are widely used nowadays in many applications as they are capable of transforming an input voltage to a different output voltage, enabling the operation or the compatibility of a powered device with its power source. The VI-J0K-EZ series, as the name implies, uses the innovative technique of forward converter technology to perform the conversion of the input voltage into higher or lower output depending on the application.The VI-J0K-EZ converter offers the ability to convert an input voltage from 12V up to 36V, with a maximum output of 30 Watts, in either a DC/DC Buck-Boost or a Buck configuration. This wide range of voltage options allows the converter to meet different levels of requirements and applications based on the provided power, such as Battery management systems, portable electronics, automotive, industrial and medical systems. The application field for the VI-J0K-EZ converter is vast and due to its small size, high efficiency and high reliability, it is an ideal solution for the current market needs.

The working principles of the VI-J0K-EZ relies in its use of a forward converter topology, which is based on a bridge rectifier circuit. This rectifier is used in order to convert the input AC voltage into a steady-state DC voltage, and then the switching is performed by an active semiconductor switch, known as the primary power switch, along with one or two secondary switches. The power switch is responsible for forwarding the voltage to one of the energy storage components, such as a capacitor and an inductor.The capacitors store the energy delivered from the input and then release it through the primary switch at a desired level of output power. The use of the inductors prevents overcharging of the capacitors. As the current passes through the inductor, a magnetic field is created and this field is responsible for the input current smoothing and the generation of current output. In addition, the inductor is also responsible for the switching regulation of the output voltage, as the switching frequency is inversely proportional to the component’s inductance.

The VI-J0K-EZ conversion process is supervised by the use of a control circuit, which allows the proper modulation of the main power switch in order for the voltage to be adjusted at the desired levels, and the regulation of the output power. This regulation is owed to the use of a voltage feedback loop, which is responsible for the constant absorption of the input voltage and the usage of a source voltage error amplifier, allowing the modulation of the switching frequency depending on the input voltage. The entire process of control is enabled by the use of a secondary control circuit, which receives the current voltage amplitude from the output voltage and then sends the signal to the control circuit.

The VI-J0K-EZ stands out from the competition, as it provides a high efficiency of 93%, a high power density, and a wide temperature range of operation. All of these features make it an ideal solution for a wide range of applications. In addition, the VI-J0K-EZ also offers protection against overcurrent and overvoltage through the use of active control and monitoring circuits, ensuring an optimal performance and safety of the device at all times.

The VI-J0K-EZ range of DC-DC converters enable the creation of a wide range of applications, thanks to its efficient energy conversion and its highly reliable electrical and thermal performance. The use of forward converter technology and a control circuit, in conjunction with the use of a storage component, allows the device to offer steady-state output voltage and greater power densities, making it an ideal choice for a variety of fields.

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