RP10-4805DE

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DC-DC converters are power conversion devices which convert one voltage level of electricity to another. The RP10-4805DE is a step-up converter and it converts a lower voltage from an input source to a higher voltage on the output. It is designed for low profile and low noise applications, with its adjustable output voltage range and current capability.

The RP10-4805DE can operate with an input voltage range of 6V to 18V, and an output voltage range of 10V to 48V. The maximum current output of the converter is 5A, and has a high efficiency of up to 93%. It features active power factor correction, making it suitable for use with multiple applications and power supplies. The converter also has built-in current loop control, which results in a stable, reliable output voltage, even under load variations.

The RP10-4805DE features internal over-voltage, over-current and over-temperature protections. It is equipped with a low output noise and ripple requirements, making it ideal for audio applications. It also has an adjustable switching frequency, allowing the user to optimize their application requirements. The converter is available in a single-inch, 16-lead, and four-pin package.

The core working principle of the RP10-4805DE is based on the correct selection of components and the switching frequency of the internal power stage. It uses a high frequency DC-DC boost converter, with an internal MOSFET switch. The input voltage is rectified by an internal diode, and then filtered to obtain a DC voltage. This filtered voltage is then switched by the MOSFET switch, and the switching is controlled by a feedback loop. The switching is regulated to an adjustable frequency, by an oscillator, allowing the output voltage to be regulated.

Finally, the output voltage passes through inductors and capacitors to achieve the desired voltage level. It is important to note that the efficiency of the converter largely depends on the switching frequency, and the input voltage needs to be synchronous with the targeted output voltage, for correct operation.

In conclusion, the RP10-4805DE is a high-efficiency, step-up DC-DC converter, designed for low profile and low noise applications. It can be used in a variety of applications, due to its adjustable output voltage range, current capability and active power factor correction. Its internal over-voltage, over-current, and over-temperature protections, as well as its adjustable switching frequency, make it an ideal choice for audio applications.

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