REC5-4809SRW/H/B/SMD-R

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DC-DC converters are widely used in the electronic industry. This article will discuss the application field and working principle of the REC5-4809SRW/H/B/SMD-R DC-DC converter. The REC5-4809SRW/H/B/SMD-R is a fast switching & high-efficiency non-isolated DC-DC converter developed by RECOM. It offers great performance in industrial & embedded systems, such as servers, routers, switches, storage and other applications.

The REC5-4809SRW/H/B/SMD-R DC-DC converter has a wide input range of 4.7V to 23V and a fixed output voltage of +24V. It operates at a switching frequency of 300kHz, offering great efficiency of up to 95%. The increased efficiency of the converter can bring improved applications in terms of improved performance, longer battery life, and reduced thermal losses. This provides great value for users in terms of reliability and cost savings.

The REC5-4809SRW/H/B/SMD-R features an operating temperature range of -40C to +85C and is protected against over-voltage, over-current, over- temperature, and short-circuit. Its low ripple & noise of 80mV and high power output of 48W makes it great choice for industrial & embedded applications. Additionally, the converter is EMI & EMS rated to ensure improved performance and reduce radiation.

The REC5-4809SRW/H/B/SMD-R adopts a step down topology. The power is input through two pins (Vin & GND) and the converter maintains the output voltage constant while input voltage varies. An error amplifier is configured to compare the reference voltage with the actual output voltage, when the output voltage deviates from the reference voltage, the error amplifier will instruct the converter to adjust the output voltage to bring it back to the reference. In this way, the output voltage is kept within the nominal range.

The core of the REC5-4809SRW/H/B/SMD-R is a high-efficiency active-clamp forward converter. It utilizes a high-frequency full-bridge converter to convert the input voltage to an adjustable output voltage. A linear regulator is then used to accomplish the regulation of the output voltage. This combination of linear and switching control provides fast, reliable, and efficient conversion of the input voltage.

The REC5-4809SRW/H/B/SMD-R is well suited for a range of applications from industrial to embedded systems. It offers wide input and output voltage ranges, high power output, and high efficiency, making it an ideal choice for these systems. With its protection features, the converter provides improved reliability and cost-effectiveness. Its simple working principle and flexible design make it an easy-to-use and adaptable solution for a variety of applications.

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