R0.25S12-1515/HP

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DC-DC Converters

DC-DC converters are devices that are used to convert direct current (DC) inputs into different DC values output. Depending on the type of converter being used, this output could be higher or lower than the input voltage. One such type of converter is the R0.25S12-1515/HP, which is a high power (HP) buck-boost converter that offers a wide input voltage range and a highly efficient power conversion. This article will discuss the application field and working principle of the R0.25S12-1515/HP converter.

Application Field:

The R0.25S12-1515/HP converter was designed as a general DC-DC power solution for power transmission and power supply applications requiring a highly reliable and efficient power converter. It offers a wide input voltage range from 12-15V DC, as well as two output voltages that can be adjusted to meet specific application requirements: 8-13.5V DC or 6-19.2V DC. The converter can be used in a variety of applications, such as power supply for wireless routers, CCTV cameras, and surveillance systems, automotive electronics, and medical instruments.

Working Principle:

The working principle of the R0.25S12-1515/HP is based on a buck-boost converter topology, which utilizes two sets of switches to convert a higher voltage into a lower voltage without any switching losses. The converter utilizes a high-efficiency circuit design and patented converters to reduce the output voltage ripple and increase the power conversion efficiency. The converter operates in a non-inverting buck-boost topology, where the output voltage is always higher than the input voltage, which allows a power boost in applications with input voltages at the top of the input voltage range.

The converter is based on a synchronous rectification circuit with a fixed frequency current-mode control. This circuit utilizes a sense resistor and an error amplifier to provide a signal corresponding to the load demand. The synchronous rectification circuit is then used to control the output voltage level. This ensures that the output voltage is regulated at a constant voltage level no matter the load changes.

The converter also has a unique short-circuit protection circuit that enhances the overall system safety. When the output current exceeds the design maximum, the converter trips off and becomes inactive until the short-circuit is removed. This ensures that the system is protected against any overloads or short circuits, and also offers over-temperature protection.

Conclusion:

In conclusion, the R0.25S12-1515/HP converter is a high power buck-boost converter that offers a wide input voltage range and a highly efficient power conversion. It has been designed for use in a variety of applications, such as power supply for wireless routers, CCTV cameras, and surveillance systems, automotive electronics, and medical instruments. The working principle of the R0.25S12-1515/HP is based on a buck-boost converter topology, which utilizes two sets of switches to convert a higher voltage into a lower voltage without any switching losses. The converter also has a unique short-circuit protection circuit that enhances the overall system safety.

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