R2A20131SP#W5

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Without proper power factor correction (PFC), electrical systems encountered system losses, incurred higher cost and become less efficient. PFC technologies are used to allow AC power to operate more efficiently, provide power stability and improving the quality of power. The R2A20131SP#W5 is specifically designed to provide a best solution in the PFC field. This article is aimed to give a brief overview of the PFC application of the R2A20131SP#W5 and its working principle.

R2A20131SP#W5 is a low loss high efficiency PFC controller. It is a monolith which is made up of N-MOS transistors, configured in two phases inner-short circuits with input sampling and compensation circuits to provide the total power factor correction and voltage waveform improvement. With the use of an external Schottky diode, a single phase PFC pre-regulator is formed. This phase is connected between the input side of an AC to DC or other AC coupled converter at a voltage level typically ranging from 175Vac up to 265Vac.

The main application of this device is for AC-DC power supplies which are used for home appliances, telecommunication equipment, industrial equipment, UPS and battery chargers.

R2A20131SP#W5 PFC controller utilizes continuous current mode control which is capable of detecting and correcting current harmonics and regulating currents in a single zero crossing period. This device works on an operating frequency of around 100KHz to 300 KHz and can deliver a power output up to 500W. That makes the R2A20131SP#W5 very suitable in many power applications.

To summarize, the R2A20131SP#W5 is a best solution in the field of power factor correction as it provides high efficiency, low loss, quick and accurate control features, fewer external components and smooth transition in input voltage. The working principle of R2A20131SP#W5 is largely dependent on the continuous current mode control which is capable of detecting and correcting current harmonics and regulating currents in a single zero crossing period. The main application of this device is for AC-DC power supplies which are used for home appliances, telecommunication equipment, industrial equipment, UPS and battery chargers.

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