PAH50S48-2.5

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DC DC Converters are an essential part of any electronic system, providing a safe and reliable source of power. The specific DC DC Converter for this article is the PAH50S48-2.5. This type of DC DC converter is sold for general purpose products such as computers, gaming consoles, stereo systems, and other consumer electronics. It is important to understand the application field and working principle of such a product before purchasing it.

Application Field of the PAH50S48-2.5

The PAH50S48-2.5 from Unipower Corporation is a 48 VDC input to 24 VDC output DC DC converter. It is rated for a continuous output current of 1.5 flowing with an efficiency of 92%. The temperature range for the application of the PAH50S48-2.5 is between -40°C and +70°C. This type of converter can be used on a variety of electronic systems, such as PCs, laptops, TVs, and digital signage systems. Additionally, its wide temperature range and wide input range, (18 VDC to 54 VDC) make it suitable for medical applications.

Working Principle of the PAH50S48-2.5

The working principle behind DC-DC converters is based on the idea of converting higher voltages into lower voltages. This is done by using an oscillator circuit that has two high power transistors. These transistors act as switches which are controlled by the oscillator circuit. The oscillator controls the frequency at which these transistors switch, which in turn, control the output voltage. The voltage of the output is regulated by a feedback loop with an adjustable, voltage-controlled potentiometer or pulse width modulation.

The PAH50S48-2.5 has two stages of operation, the first being a pre-regulator (PR) stage and the second being a series pass voltage regulator. The PR stage consists of the two transistors and the oscillator circuit, and its main purpose is to regulate the output voltage to within +/- 5%. The series pass voltage regulator is comprised of an opto-coupler which provides the feedback loop for the PR stage and a voltage regulator IC. This IC provides a further level of voltage regulation, ensuring the output voltage remains within +/- 1%.

Conclusion

The PAH50S48-2.5 from Unipower Corporation is a DC DC converter that is ideal for a variety of electronic systems. It is rated for a continuous output current of 1.5 A with an efficiency of up to 92%. Its wide temperature range and wide input range make it suitable for both consumer electronics and medical applications. The working principle behind DC DC converters is based on the idea of converting higher voltages into lower voltages using an oscillator circuit and switching transistors. The PAH50S48-2.5 has two stages of operation, the first being a pre-regulator (PR) stage and the second being a series pass voltage regulator. This type of DC DC converter provides a safe and reliable source of power for electronic systems.

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