RP75H-11024SRW/P-HC

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DC-DC converters are widely used to convert a fixed DC input voltage to an adjustable output voltage. Among the various types of DC-DC converters, RP75H-11024SRW/P-HC is a type of high-power non-isolated reverse polarity Buck converter. Its application field and working principle are introduced below.

RP75H-11024SRW/P-HC enables an adjustable output voltage from 0.8V to 5.5Vdc with an input voltage from 8.0V to 75Vdc. In addition to a wide range of adjustable output voltage, it also exhibits a wide operating temperature range of -40℃ to 100℃. With the benefits of reverse polarity, it has advantages over conventional Buck converters, such as higher efficiency, smaller form factor, and higher power capability, making it an ideal choice for vairet applications.

The working principle of RP75H-11024SRW/P-HC is based on a switch mode DC-DC converter topology, where a single switch is used for power conversion. The switch is operated at a given frequency. During one part of the switching cycle, the switch is closed, allowing the input voltage to be applied to the output directly, while during the other part, the switch is open and the output voltage is decoupled from the input. The ratio of the two parts of the switching cycle is used to control the output voltage.

Specifically, when the switch is closed, the inductor stores energy from the input voltage, while when the switch is open, the stored energy is then utilized to transfer energy from the inductor to the output. In this way, the switch continuously alternates between the two states, resulting in an AC voltage waveform at the output. This waveform can then be converted to the desired DC output voltage with the help of a filter circuit.

Moreover, by using external components, the inductance and the frequency of the switching can be adjusted according to the application need. The main purpose of such adjustment is to offer the most efficient conversion of energy between input and output, while ensuring a good dynamic response to load variation.

In conclusion, RP75H-11024SRW/P-HC features a wide range of applications with its adjustable output voltage and wide operating temperature range. It is an ideal choice for high-power applications due to its advantages over conventional Buck converters. Its working principle relies on a switch mode DC-DC converter topology which offer a continuous energy transfer between input and output. With help of external components, the performance of the converter can be further tailored to meet various application needs.

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