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DC-DC converters are essential components for applications where higher power and voltage are required. The VI-241-MY-F3 DC-DC converters are designed to fulfill the need for a reliable, energy efficient, and highly precise DC-DC conversion solution. This converter is a well-suited solution for a wide range of applications involving higher voltages and power.

Application field

The VI-241-MY-F3 converter is specifically designed for applications that require a high level of accuracy for DC-DC conversion. This includes situations in which low power consumption and an extended voltage range is necessary, such as in high-end electronic equipment, industrial automation, and automotive systems. The converter is also suitable for applications such as medical electronics, power conditioning, and power supply designs.

The VI-241-MY-F3 converter is designed to convert a wide range of input voltage from 5V to 24V into a constant output voltage ranging from 3.3V to 24V. The converter also supports an output current of up to 7A. The device also offers a wide range of features such as remote-sensing, remote-on/off, programmable output current, programmable soft-start, and adjustable frequency.

Working principle

The VI-241-MY-F3 converter utilizes a control circuit powered by a low-voltage input to regulate, monitor, and protect the output stage. It incorporates a two-stage topology that includes a buck-boost converter, a high-side driver, and a low-side driver. The device also utilizes two LFETs (Low Threshold Filted Enhancement Transistors) to support an adjustable output frequency of up to 200 kHz.

The Line-Drop Compensation (LDC) circuit is designed to ensure that the output remains stable when the input voltage fluctuates. The LDC incorporates voltage level detection and a comparator to adjust the buck-boost converter output to the input voltage via Pulse-Width Modulation (PWM). The device also includes an on/off logic circuit that enables the user to control the power-on/off and soft-start of the output stage.

The device is designed to be used in industrial and automotive applications, and is certified to meet the highest safety requirements. It is also designed to operate over a wide temperature range, and its wide dynamic range enables it to support continuous input voltage fluctuation of up to 65Vp-p. The device also offers protection against over-voltage, over-temperature, short circuit, and current limit protection.

Conclusion

Overall, the VI-241-MY-F3 DC-DC converter is an ideal and reliable solution for applications requiring precise, energy-efficient, and high-power DC-DC conversion. The device is designed to convert input voltages between 5V-24V to a constant output voltage ranging from 3.3V to 24V. It also supports an output current up to 7A, and offers features such as Line-Drop Compensation, remote-sensing, remote-on/off, programmable output current, programmable soft-start, and adjustable frequency. Additionally, the device is designed to meet the highest safety requirements and operate over a wide temperature range.

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