VI-B3T-IX-B1 Power Supplies - Board Mount

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DC-DC converters are electricity control machines designed to convert one form of electrical energy to another. There are numerous varieties of DC-DC converters, ranging from the simplest step-up or step-down converters to complex switched-mode converters. The majority of these converters use a combination of conventional transformers, inductors, and other electronic components.

VI-B3T-IX-B1 Application Field and Working Principle

VI-B3T-IX-B1 DC-DC converters are a member of the VI-B3 series of DC-DC converters created by Vicor Corporation. The VI-B3T-IX-B1 converter is designed to provide continuous output of +3.3V / 0A to +14V / 20A from a single 24V input. They are capable of achieving peak efficiency of 98%. Considering its industry-wide usage, the VI-B3T-IX-B1 is considered to be a popular choice in multiple high-performance and power sensitive applications, such as medical imaging, datalink receivers, and embedded computing.

The VI-B3T-IX-B1 converter operates on a variable on-time switching controller that provides regulated output power up to 20A. It is a non-isolated buck converter with an inherently current mode control loop method. The output voltage is regulated by sensing the output and making adjustments by varying the switching pulse width. The VI-B3T-IX-B1 utilizes a peak current-mode control loop operating at fixed frequency, making it highly efficient and well-suited for modern power-sensitive applications.

The converter runs at its rated frequency (500 kHz) when the output is greater than the sensing voltage, and runs at a lower frequency (125 kHz) when it is below. At a lower frequency, the switching losses can be greatly reduced, significantly increasing the converter’s efficiency.

Key Features and Benefits

The VI-B3T-IX-B1 converter features a wide input voltage range of 10V to 28V, making it suitable for a variety of applications. It is also equipped with integrated LED status indicators for monitoring its operation. This feature makes the converter suitable for self-diagnostic purposes, as it can identify and address issues that may arise.

In addition to its impressive performance and efficiency, the VI-B3T-IX-B1 converter also possesses excellent thermal project management capabilities. Its circuit board is constructed using Vicor\'s V•I Chip® technology which is designed to improve performance by distributing heat evenly across the board.

In order to further enhance its ability to provide reliable and consistent power, the VI-B3T-IX-B1 converter has a comprehensive set of protection features. These include short circuit protection, overvoltage and thermal protection, and fault synchronization. This helps to ensure that the converter can function within the required parameters, even under the most demanding conditions.

Typical Applications

The VI-B3T-IX-B1 converter is suitable for a wide range of applications in the industrial and automotive sectors. Its ability to deliver a smooth regulated output makes it an ideal choice for applications that require tight voltage regulation, such as medical imaging systems, industrial robotics, and machine control systems. The converter can also be used in automotive applications, such as renewable energy systems, electric vehicle chargers, and instrumentation systems.

The VI-B3T-IX-B1\'s high efficiency, excellent thermal capabilities, and wide input voltage range makes it an ideal choice for a variety of applications. Its features, including its reliable protection circuits, make it suitable for mission-critical applications. In short, the VI-B3T-IX-B1 is an effective and reliable DC-DC converter that has the capabilities to suit a variety of applications.

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