VI-23F-CU-B1

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DC–DC power converters are electrical circuits that adjust the DC power, which is generated from solar, battery, or the grid, to the different DC voltages and currents used both in aerospace and military products as well as everyday consumer electronics. One of the most versatile DC–DC converters is the VI-23F-CU-B1, which is available in an integrated circuit (IC) form or as a fully assembled module.

Overview

The VI-23F-CU-B1 is a high-performance, wide input voltage, low voltage DC–DC converter. It has a wide input voltage range of 4V to 27V. It offers two output modes ― hybrid buck-boost or buck-boost. The hybrid buck-boost mode is versatile and suitable for a variety of applications from powering 5V/12V mobile phones to powering 3.3V/2.5V/5V devices, and can even be used in solar cell/LED driver applications in the buck-boost mode.

The VI-23F-CU-B1 has high-efficiency, low-power mode, and low-ripple operation. It can deliver up to 10A of output current, has a fast transient response (below 1µs), and has a wide operating temperature range from -40°C to 150°C.

Application Field and Working Principle

The VI-23F-CU-B1 is a highly versatile DC–DC converter. It is suitable for a wide variety of applications including automotive, telecom, consumer electronics, and industrial applications. The converter is also used in solar, battery, and aerospace/military applications, such as night vision/infrared applications.

The working principle of the converter is quite simple. The input voltage is first adjusted by a voltage regulator, which is used to convert the input voltage to the correct required output voltage. The output voltage is then adjusted by two switchable feedback loop systems that prevent overshoots or undershoots. Finally, the output voltage is regulated with the help of feedback control.

The converter is also designed to minimize power loss. It uses ultra-low quiescent current, and has power saving features, such as thermal shutdown, over-current protection, and soft-start. Additionally, it has a wide input voltage range and can handle input voltage transients up to ±25%.

Conclusion

The VI-23F-CU-B1 is a highly versatile and efficient DC–DC converter. It is designed for a wide array of applications, from industrial to automotive, telecom, and aerospace/military. It has low power loss, high efficiency, and offers two output modes – hybrid buck-boost or buck-boost. The converter has wide input voltage range and is capable of handling input voltage transients up to ±25%. Its low-power mode, fast transient response, and wide operating temperature range make it a reliable and effective power converter.

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