AVD85-48S3V3B-6L

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DC-DC converters are a type of device that are capable of converting a direct current (DC) from one voltage level to another, making them ideal for transferring power from a battery or other DC source to a higher or lower voltage level. The AVD85-48S3V3B-6L is a popular DC-DC converter that has a wide range of applications and is widely used in many areas, including telecoms, automotive, industrial, medical, aerospace, renewable energy, and military applications. It is suitable for use in the harshest environments with 21kV surge protection.

Features

The AVD85-48S3V3B-6L has a wide input voltage range of 6 to 50 VDC, and offers adjustable output voltage up to 48 VDC. It also has a constant output power rating of 85W with a high dynamic load capability. The AVD85-48S3V3B-6L also features high efficiency levels (greater than 95%), fast transient response time and low no-load power consumption. The device also includes several protections such as overvoltage protection, over temperature protection and short-circuit protection.

Application Fields

The AVD85-48S3V3B-6L is ideal for applications where a reliable and efficient DC-DC converter is required. The converter is suitable for use in telecommunications, automotive, industrial, medical, aerospace, renewable energy, and military applications. Telecoms applications include mobile base station power systems and 4G/5G system power systems. Automotive applications include hybrid/electric vehicle power systems, electric power steering, and lighting systems. Industrial applications include robotics, data storage systems, and power supplies for factory automation. Medical applications include medical equipment, breathalyzers, and X-ray systems. Aerospace applications include avionics and cabin systems, flight control and thrust control systems. Renewable energy applications include solar, wind, and tidal energy systems, while military applications include combat vehicle power systems and weapon systems.

Working Principle

To better understand the working principle of the AVD85-48S3V3B-6L DC-DC converter, it helps to consider how an AC-DC power supply works. An AC-DC power supply converts an alternating current (AC) voltage to a direct current (DC) voltage. It does this by rectifying the AC signal, which involves passing the signal through a diode bridge and then smoothing the current through the use of a filter capacitor. The smooth DC output voltage is then regulated by a linear or switching regulator. The AVD85-48S3V3B-6L works in a similar way, but with the added benefit of being able to handle a wide range of input voltages and offer adjustable output voltage. It does this by using a Buck-Boost regulator which works by creating an inductor-capacitor (LC) oscillator. This LC oscillator is then used to vary the input voltage to match the required output voltage, with the Buck-Boost controller then regulating the output voltage.

Conclusion

The AVD85-48S3V3B-6L is a high quality DC-DC converter with a wide input voltage range and adjustable output voltage. It is suitable for use in a vast array of applications including telecommunications, automotive, industrial, medical, aerospace, renewable energy, and military applications. The device has been designed to offer high levels of efficiency and reliability and features a number of protections. The working principle of the AVD85-48S3V3B-6L is based on the common AC-DC power supply, but with the addition of a Buck-Boost regulator which allows the device to adjust its input voltage to match the required output voltage.

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