V28A48C200BL

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DC-DC converters are an integral part of modern electronics, and the V28A series is no exception. Introduced in 2008, the V28A48C200BL was designed for industrial applications where up to 200 watt output power is required. It is capable of delivering up to 48V at a maximum efficiency of 92%.

Design and Features

The V28A48C200BL is a compact DC-DC converter with a rugged aluminum housing. The device measures in at just 4.2 inches (106.6 millimeters) in length, 4.8 inches (122.0 millimeters) in width, and 2.4 inches (60.3 millimeters) in height, making it well suited for even the most space-constrained applications. The converter is also designed for operation in harsh industrial environments, with an extended operating temperature range of -40° to +85°C.

The V28A48C200BL features a power factor correction (PFC) circuit, which maximizes the operating efficiency of the converter. The device also includes a fan speed control circuit, which adjusts the speed of the internal cooling fan based on the converter’s operating temperature. This feature helps to keep noise levels low while also providing reliable, efficient operation.

Application Fields and Working Principle

The V28A48C200BL is designed for use in a variety of industrial applications. It can be used in applications such as automatic test equipment, vending machines, LED lighting systems, electric vehicle charging stations, and much more. The device is also well suited for medical and aerospace applications, thanks to its compact size and high efficiency.

The V28A48C200BL is a non-isolated, buck-boost DC-DC converter. It employs a fixed-frequency current-mode control technique, which helps to improve overall system efficiency and reduce EMI noise. The input voltage range of the V28A48C200BL is 20-72VDC, and the output voltage range is adjustable between 12-48VDC.

The device also includes an inherent over-temperature protection circuit, which shuts down the device if it exceeds a predetermined temperature. It also features an over-current protection circuit, which limits the output current of the converter in the event of a short circuit or overload. Finally, the V28A series converters include a user-adjustable soft-start circuit, which helps to eliminate in-rush current and reduce stress on connected components.

Conclusion

The V28A48C200BL is a high-efficiency, low-profile DC-DC converter that is perfect for a wide range of industrial applications. Its compact size, wide input voltage range, and integrated protection circuits make it an ideal choice for medical, aerospace, and other sensitive applications. With its fan-speed control circuit, the V28A series is also well suited for applications where noise levels must be kept to a minimum. As a result, the V28A48C200BL is an excellent solution for applications that require up to 200 watt output power.

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