XCL102E333CR-G Power Supplies - Board Mount

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DC-DC converters are power electronic devices designed to convert one DC (direct current) voltage or power level to another, usually through a combination of voltage regulator circuits, transformers, and capacitors. The XCL102E333CR-G is an example of a DC-DC converter, and is designed to provide an output of 3.3V from an input voltage of up to 28V.

The XCL102E333CR-G features a regulated output, under-voltage lockout (UVLO), thermal shutdown protection, a wide input-voltage range, and low current consumption. The power output is rated at 1A (maximum, continuous current limit) and includes protection against over-temperature, over-current, and short-circuit conditions. It is suitable for a wide variety of applications, including telecommunications, automotive, industrial control, and consumer electronics.

The working principle of the XCL102E333CR-G is relatively straightforward. It uses a forward converter topology, with the series Pass transistor connected between the input voltage and the output voltage. When the load current increases, the transistor conducts more and the output voltage is reduced. Conversely, when the load current decreases, the transistor conducts less and the output voltage is increased. Consequently, the output voltage remains relatively constant despite changes in the load current.

Additionally, the XCL102E333CR-G includes a switching circuit and feedback circuitry. The switching circuit continuously monitors the load current and determines whether or not the transistor should conduct. If the load current exceeds the maximum current limit of 1A, the switching circuit will shut off the transistor and prevent further current from flowing. The feedback circuitry also continually monitors the output voltage and adjusts the duty cycle of the switching circuit accordingly, ensuring that the output voltage remains stable.

The XCL102E333CR-G is a highly efficient DC-DC converter with a wide variety of potential applications. It is suitable for use in telecommunications, automotive, industrial control, and consumer electronics thanks to its wide input-voltage range and protection from over-temperature, over-current, and short-circuit conditions. Further, its regulated output, under-voltage lockout, and thermal shutdown ensure that the output voltage remains constant, despite changes in the load current, making it highly reliable and easy to use.

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