PXE3048S3P3

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DC-DC converters are electronic devices which convert a DC input voltage into a DC output voltage. They are used in a variety of applications such as aerospace, industrial, medical, military and consumer electronics. The PXE3048S3P3 is a highly efficient and rugged converter designed to provide an isolated power output, while minimizing power loss, with low audible noise and good regulation. It uses a 3-phase input, 2-phase output push-pull configuration.

Applications

The PXE3048S3P3 DC-DC converter is ideally suited for a variety of applications. It is suitable for applications such as telecommunications base stations, DC motor control, lighting control, industrial process control, medical systems, audio/video amplifiers, automotive electronics, and military & aerospace systems. The converter can also be used in Point-of-load applications such as DC motor drives and power supplies with 24V or 48V input.

Working Principle

The PXE3048S3P3 is a bridgeless, 3-phase, full-bridge DC-DC converter with integrated high-side and low-side MOSFETs. It provides an isolated output voltage of up to 12V with up to 800W of power. The converter offers an extremely wide input voltage range of 200V to 600V without any external components. The input voltage range can be extended to 1000V, with the addition of an external gate driver.

The converter works on a phase-shift principle, which uses additional voltage stress to achieve high power conversion efficiency. The converter is designed with current ripple compensation capacitors, which allow for a wide range of compensations and stabilization of the output voltage. The converter also includes an integrated, low-power protection circuit, which latches the converter when an over-voltage/over-current condition occurs.

The PXE3048S3P3 converter has a built-in narrow band-gap voltage reference and an integrated soft start circuit, which help to prevent overshoot and minimize output voltage ripple, providing a stable DC output. The converter features an integrated catch diode, which helps to reduce the reverse surge current and improves the EMI immunity.

The PXE3048S3P3 is an efficient and reliable converter, which is suitable for a wide range of applications. It offers high power conversion efficiency, while also minimizing power loss and generating low audible noise. The converter’s integration of a low-power protection circuit and catch diode make it a robust and reliable solution for many applications.

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