V300C12E150B3

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DC-DC converters are used in a wide variety of applications requiring the conversion of direct current (DC) from one level to another level. While the conversion can take place between different voltages, currents or frequencies, the most common application is to convert between different voltages.

V300C12E150B3 is an isolated, step down, high efficiency DC-DC converter module. It converts a high voltage input (nominal 360V, max 420V) to a lower output voltage while maintaining the bias level supply to support the desired load current and high efficiency. It is ideally suited for power supplies, UPS and battery charger applications.

Working Principle

V300C12E150B3 uses a combination of switch mode and linear regulation techniques to achieve high conversion efficiency and tight regulation of the output current from the input voltage. It utilizes a control IC to modulate the duty cycle of the switches in the buck converter circuit to accurately adjust the output voltage. When supplying constant current loads such as LED drivers and battery chargers, the device is used in constant current mode to maintain the output voltage within a tight tolerance.

The device also utilizes an isolated feedback section to allow the feedback of information from the output of the converter to the input side for accurate regulation of the output voltage. The operating frequency is also adjustable within certain limits to optimize the performance of the device. In addition, the device has a built-in thermal protection system to protect the device from over-temperature conditions.

Application Field

V300C12E150B3 is well suited for use in a variety of applications such as high-power industrial power supplies, train and ship power supplies, renewable energy systems, intelligent building control systems, lighting systems, communications, Battery charging, security systems, unmanned aerial vehicle (UAV) power supplies and other applications.

In addition, the wide input voltage range, low idle current, high efficiency and built-in protection features make it perfect for use in rugged industrial environments where space is limited. The device is designed to meet the stringent requirements of MIL-STD-704E, so it is suitable for military applications as well.

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