RW2-4812S/H3

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DC-DC converters are widely used in virtually all modern electronic devices and systems as power sources. The RW2-4812S/H3 is a type of DC-DC converter used to convert a DC voltage to another DC voltage. It is recommended for industrial and automotive applications due to its high efficiency, wide operating temperatures, excellent transient response, and superior reliability.

The RW2-4812S/H3 is a high-efficiency, isolated two-quadrant buck/boost DC-DC converter. It operates in buck (step-down) mode when the input voltage is higher than the output voltage and boost (step-up) mode when the input voltage is lower than the output voltage. It delivers up to 96W of continuous output power and is featured with constant maximum current limiting, short circuit protection (SCP) and cycle-by-cycle current limiting. The RW2-4812S/H3 is an ideal choice for high-efficiency, low noise, and isolated dual-voltage applications.

The application field of the RW2-4812S/H3 is industrial and automotive applications, such as industrial control systems, meters, electrical equipment, electric vehicles, HVACs, and factory production line equipment. Its wide operating temperature range (-40~+125°C) and high efficiency design (up to 95% @ full load) make RW2-4812S/H3 a good fit for extreme environmental conditions. It also features fast transient response, high accuracy output regulation, and superior reliability.

The working principle of RW2-4812S/H3 is based on a switching converter which operates around an output voltage set to the desired level. When the input voltage is higher than the output voltage, the internal power FET acts as an active diode and passes current against the direction of the output voltage. At this time, the converter is in the buck mode and the energy of the input power is transferred to the output load by the internal power FET. When the input voltage is lower than the output voltage, the internal power FET acts as an active switch and passes current along the direction of the output voltage. At this time, the converter is in the boost mode and the energy of the input power is stored in an inductor and transferred to the output load after energy storage.

In sum, the RW2-4812S/H3 is a two-quadrant buck/boost DC-DC converter from Recom. With high efficiency, wide operating temperature range, excellent transient response, and superior reliability, it is an ideal choice for industrial and automotive applications. Its working principle is based on a switching converter which can operate in buck or boost mode to provide an output voltage of desired level.

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