PAH50S48-5/PV

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DC–DC converters are electronic circuits that convert a DC input into a DC output of different voltage levels. The PAH50S48-5/PV is a unique DC–DC converter designed to exclusive high voltage requirements. In this article, we will look into the application fields and principle of working of the PAH50S48-5/PV DC–DC converter.

Application Field of the PAH50S48-5/PV DC–DC Converter

The PAH50S48-5/PV DC–DC converter has a wide range of application fields, such as in industrial applications, in telecom, in power supply topologies, etc. The PAH50S48-5/PV DC–DC converter is used in industrial applications when there is a requirement of high voltage requirements and high efficiency power supply. In telecom industry, the PAH50S48-5/PV DC–DC converter can be used to convert lower voltages obtained from AC grids into higher DC voltages as required by ultra-fast transmission systems. In power supply topologies, the PAH50S48-5/PV DC–DC converter can be used for the conversion of Input 48V to Output 5V-12V.

Principle of Working of the PAH50S48-5/PV DC–DC Converter

The PAH50S48-5/PV DC–DC converter works on buck-boost conversion principle with synchronous rectification of low side MOSFETs. The buck-boost conversion is basically a process of voltage transformation, wherein the input voltage is regulated by pulse-width modulation (PWM) and buck-boost conversion. The buck-boost converter is provided with a low voltage frequency bias circuit which controls the buck converter for higher efficiency.

The PAH50S48-5/PV DC–DC converter has an average efficiency of more than 90 %. The PWM input voltage is taken from a high voltage source to the buck-boost converter. The output of the buck-boost converter is regulated by a maximum duty cycle of 150 % and minimum duty cycle of 0 %. This ensures the stability of the system and also achieves the desired voltage ripple.

The synchronous rectification of low side MOSFET helps in increasing the efficiency of the DC–DC converter. It works on the principle of Active Rectification; wherein the MOSFET switches off automatically when the required current is low. The DC–DC converter is also provided with voltage sense feedback loop to ensure the output voltage is always stable. The voltage sense is dynamically adjusted based on the input voltage.

Conclusion

The PAH50S48-5/PV DC–DC converter is a highly efficient and reliable DC–DC converter that is suitable for a wide range of applications. The buck-boost conversion and synchronous rectification of low side MOSFETs helps in increasing the efficiency of the system. The voltage sense feedback loop ensures the output voltage is always stable regardless of the input voltage fluctuations. Therefore, the PAH50S48-5/PV DC–DC converter provides the user with an efficient and reliable power solution.

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