V150A48H400BG

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DC-DC converters, such as V150A48H400BG, are essential components of modern electrical systems including power electronics, laptop PCs, communications, medical applications, consumer electronic, and more. Companies such as Texas Instruments, Linear Technology, and Murata have been leading the development of DC-DC converters for many years. The V150A48H400BG is a high-efficiency DC-DC converter that is ideal for applications requiring high power density or very wide output voltage range.

Overview

The V150A48H400BG is a 300W DC-DC converter with an input voltage range from 36V to 89V and an output voltage range from 0.5V to 48V. This converter has an 86% peak efficiency over the entire output range. It is also capable of high-power density with power density of 6W/in3. It has a maximum operational temperature of 175°F (79°C) with an ambient air temperature of 85°F (30°C).

Features

The V150A48H400BG converter has several features that make it an ideal choice for different applications. It has a wide operating temperature range from -40°C to 85°C, protection against overvoltage, overtemperature, and short circuit protection. It also supports synchronization of multiple converters for current sharing applications. In addition, it has integrated input filter capacitance, output voltage adjustable through external resistors, and remote power shutdown. The V150A48H400BG is designed to be very compact and has an ultra-low profile of 9.35 mm.

Applications

DC-DC converters like the V150A48H400BG can be used in a variety of applications, such as industrial equipment, medical equipment, automotive systems, telecommunications, LED street lighting, and more. The wide input voltage range makes it an ideal choice for applications in harsh environments that require a high operating temperature range. It is also suitable for high-current applications where power density is a primary requirement. The wide output voltage range and adjustable output voltage through external resistors makes it suitable for applications that require non-standard voltages.

Working Principle

The V150A48H400BG is a buck converter, meaning it reduces an input voltage to a lower output voltage. The converter uses a set of switching elements, such as MOSFETs, to allow the circuit to switch between different states in order to control the output voltage. The switching elements are controlled by a control IC, which is linked to an external resistor that sets the output voltage. When the control IC receives a signal from the resistor, it will change the state of the MOSFETs to adjust the output voltage. In addition, the converter employs resonant mode operation to increase efficiency and reduce electromagnetic interference.

Conclusion

The V150A48H400BG is a 300W high-efficiency DC-DC converter that is ideal for applications requiring very wide output voltage range, high power density, wide operating temperature range, and adjustable output voltage. It is designed to be very compact and efficient, making it an ideal choice for industrial, medical, and automotive applications.

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