VI-B72-EX

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DC-DC converters are devices that are used to convert a direct current (DC) from one voltage to another, often times providing an output which is either higher or lower than the input. The VI-B72-EX is a line of two stage, single-ended, isolated dc-dc converters for applications including low voltage, high current, and harsh environment operations.

The VI-B72-EX has several operating modes to provide the most efficient solution to the customer’s requirements. These modes can be selected through the mode selection pins and include buck, boost, and buck-boost modes. The isolated output means that VI-B72-EX will not be affected by any external noise generated by the load or power source.

Regarding the application field of the VI-B72-EX, it can be easily used for telecommunications, networking, automotive, and embedded system applications. In telecommunications, it can be used for powering up customer premise equipment (CPE) such as Digital Subscriber Line (DSL). In networking, it can be used for powering up intense high-speed data center servers. In automotive, it can be used for powering up road side system lighting, and in embedded systems it can be used for powering up industrial control systems such as Programmable Logic Controllers (PLC).

The working principle of the VI-B72-EX is based on the control of the switching frequency to achieve the required output voltage. The switching elements are transistors which turn on and off at the desired intervals. The circuit has two outputs, one being the regulated output and the other being the unregulated output. The frequency of the switching elements is controlled by a pulse width modulation (PWM) signal. The frequency of the PWM signal is set by a voltage-controlled oscillator (VCO) configured for the desired output voltage.

The VI-B72-EX is a high performance, reliable, and cost-effective DC-DC converter that can easily be used to provide efficient power supply for various applications. It is designed to operate in different modes and at different power levels, which allows the user to get the most appropriate output voltage needed for their system. The isolation of the VI-B72-EX is a great feature, as it eliminates the need for external components such as noise filters and snubbers, resulting in a more reliable, cost-effective, and higher performing design.

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