CXE15-48S1V8

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DC-DC converters are a family of electronic power converters that are designed to transform an input direct current (DC) voltage into a desired output voltage. The CXE15-48S1V8, a high-efficiency, switching, DC-DC converter module, is a typical example of this family. This module was designed to provide up to 15A of output current limited by an onboard current limiter.

In terms of application field, the CXE15-48S1V8 is an ideal choice for power applications such as distributed power systems, telecommunication equipment, battery powered systems, motor control systems, renewable energy systems, and motor control applications. The CXE15-48S1V8 offers high efficiency, good power factor, and tight regulation over the input voltage range and load variations under wide temperature ranges out to full load.

The CXE15-48S1V8 features a fixed switching frequency of 250kHz with a single internal oscillator. This module comes with an onboard thermal limiter which is used to protect the module from overheating. Additionally, the module also features a soft-start circuit which eliminates the output “inrush current” at start-up and provides a constant, regulated output voltage over the input voltage range. Lastly, the module also features overcurrent protection.

In terms of working principle, the CXE15-48S1V8 utilizes a three-stage process to ensure that the power is supplied in a constant and regulated manner. These stages include pre-regulator stage, the main regulator stage, and the output recall stage. All stages are fully integrated into the module for a seamless and efficient power conversion circuit.

In the pre-regulator stage, the input voltage is first converted into an intermediate voltage. This intermediate voltage is then used to generate the main switching signal. The main switching signal is then used to drive the internal power MOSFETs, which are used to regulate the output voltage of the converter.

In the main regulator stage, the MOSFETs are driven with the switching signal, which are responsible for generating the required output voltage. The output of this stage is then used as the supply voltage for the output recall stage, which in turn is used to maintain the output voltage by providing a tight load regulation.

The final output of the CXE15-48S1V8 is the regulated voltage which is achieved using the precise timing of the MOSFETs switching and the tight load regulation of the main regulator stage. This module’s high efficiency, good power factor, and wide input voltage range make it an ideal choice for a variety of power applications.

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