V48A36H500BF3

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ABOUT DC DC CONVERTERS

DC–DC converters are the components used in electronic power systems to step up, step down, or synchronize DC power. With the rise of the miniaturisation of electronic devices, DC–DC converters become an essential part of the design of electronic systems. Whether they are on the radio platform, the computer platform, or the communication platform, in the field of precision instrumentation and communication, as well as in transportation, medical, consumer electronics, and other areas, DC–DC converters play a very important role.

V48A36H500BF3 is a kind of DC–DC converters. It is designed for applications requiring low voltage, high performance, low noise, and high efficiency. It can step up, transform, or synchronize DC power. The product comes with a variety of operating parameters, which can meet different application requirements. This paper will analyze the application field and working principle of V48A36H500BF3.

APPLICATION FIELD OF V48A36H500BF3

V48A36H500BF3 is suitable for wireless communication systems, 3G, 4G base station systems, railroad systems, information and measurement systems, industrial control systems, energy control systems, medical systems, defense and aerospace systems, automotive embedded systems, and other electronic systems. It is specially designed for radio on-site stations, remote bases, 3G /4G base stations, and other equipment and systems.

It provides up to 500W power with wide output voltage range. With its dimmable feature, it provides various changes in output power to meet customer’s demands. It is also suitable for an ultra-wide temperature range of -40 to +80 degrees, so it can work in harsh conditions. The product features low ESR, two-stage power supply, and remote sense and remote on/off control capability when necessary.

WORKING PRINCIPLE OF V48A36H500BF3

The working principle of V48A36H500BF3 are based on the integration of a dc-to-dc power conversion and an active power factor correction (PFC) capability. As a wide input voltage DC–DC converter, it steps down wide in the primary side, then changes the input voltage into output voltage on the secondary side with a current limited output. The input voltage may be lower or higher than the output voltage.

The power conversion consists of three stages. The first step is voltage regulation. The incoming voltage is stepped down by using a transformer in the primary stage. This voltage is then rectified and filtered to produce an intermediate DC voltage. This intermediate voltage is then fed to the PFC section. The second step is PFC. An active PFC controller is used to control and monitor the primary current. The objective is to achieve a waveform with low harmonic distortion, low total harmonic distortion (THD), and improved power factor.

The final step is voltage conversion, also known as voltage regulation or voltage transformation. An integrated switching voltage regulator is used to adjust the secondary output voltage according to system requirements. It regulates the output voltage by controlling the duty cycle of the switching regulator and by tracking the output voltage. The regulator then controls the switching frequency of the converter to maintain the output within a given range.

CONCLUSION

V48A36H500BF3 is a kind of DC–DC converters which is specifically designed for radio on-site stations, remote bases, 3G/4G base stations, and other equipment and systems. Its wide input voltage DC–DC capability provides an efficient solution for many applications. It is suitable for a wide variety of system application. The operation of V48A36H500BF3 is based on the integration of a dc–to–dc power conversion and an active power factor correction (PFC) capability.

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