SPPC5751

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Part Status:	Active

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SPPC5751 Application Field and Working Principle

AC DC converters are widely used in both commercial and industrial fields due to their reliability and effectiveness for providing power to equipment, and the SPPC5751 is one of these helpful products. This particular AC to DC converter is designed to provide an output voltage of +/- 15V up to 2.2A from a nominal input voltage of 120V single-phase AC.The SPPC5751 has a number of useful features. It is an enclosed low-profile unit, meaning it can easily fit into tight spaces, making it ideal for use in portable or other confined applications. It is also equipped with overload and over-temperature protection, and has an IEC-320-C14 input connector for quick and safe attachment. The converter is certified to UL, RoHS, and CE requirements to ensure quality and safety.In terms of its working principle, the SPPC5751 is a type of flyback converter. This means that it uses the AC input voltage to generate a high-voltage, high-frequency AC waveform. This waveform is then rectified and converted into a DC output voltage. The overall efficiency of the converter is typically high, and the IEEE standard for these products is 90%. The flyback converter circuit is constructed from several sub-circuits, such as the primary rectifier, the transformer, the secondary rectifier, and the output filter capacitor. The primary rectifier typically consists of a diode bridge rectifier, which is used to convert the AC input voltage to a DC voltage. This DC voltage is then passed through a transformer, which converts the current to an AC voltage of a high frequency.The secondary rectifier consists of two sets of diodes that are used to convert the AC voltage back to a DC voltage. This DC voltage then passes through the output filter capacitor, which smoothes out any voltage noise or ripple that may be present.Finally, the output filter capacitor is connected to the output voltage, which is then regulated and provided across the load by the power FET in the SPPC5751.The SPPC5751 AC to DC converter is an excellent choice for anyone looking for a reliable, efficient, and compact power supply. With its UL, RoHS, and CE certification, it can be used in a variety of applications, both commercial and industrial.

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