VI-2W3-CY-F3

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DC-DC converters are increasingly becoming essential components in the electronic device world. Their primary purpose is to convert a direct current (DC) to another level of direct current (DC). VI-2W3-CY-F3 is a type of high efficiency DC-DC converter manufactured by RockStrong electronics. This article focuses on the application field and the working principle of the VI-2W3-CY-F3 converter.

Application Field

The VI-2W3-CY-F3 converter is highly prominent in the power supply industry. It is designed to meet the highest standards for efficiency, reliability, and cost-effectiveness. Its small, rugged form factor allows it to fit reliable and cost-effective power requirements with minimal footprint. It is tailored for applications such as industrial control, medical equipment, aerospace and automotive systems, telecom power supply, computer memory and general-purpose DC-DC converters. Furthermore, its wide operational temperature range, from -40°C to +105°C, makes it suitable for extreme conditions.

Working Principle

The VI-2W3-CY-F3 converter is a synchronous buck converter with input voltage range from 6-20V DC and output voltage range from 0.7-17V DC. A synchronous buck converter is a type of switch-mode power supply that uses an inductor and switch (quasi-resonant in this case) to store and transfer energy from input voltage to output voltage. The switch operates in either a fully on or off state and connects to an energy storage device, an inductor in this case, which temporarily stores the energy. The basic working principle of the VI-2W3-CY-F3 converter is simple.

First, the input voltage is converted into an alternating current (AC) voltage through a full bridge rectifier circuit. The AC voltage is then filtered through an EMI filter before the main high marked power switch is triggered. This switch turns on and off periodically to control the output voltage. During the off transition, the energy stored in the inductor is transferred to the output capacitor. The output voltage is then regulated through a feedback loop which adjusts the frequency and duration of the pulse width modulation (PWM).

The VI-2W3-CY-F3 converter is extremely reliable and efficient due to its quasi-resonant forward converter architecture. This design eliminates the need for an auxiliary winding and reduces EMI, resulting in a low profile, high efficiency solution. Additionally, the converter also features built-in soft start, under-voltage lockout, and current limit functions, providing reliability and safety to the system.

Conclusion

In conclusion, the VI-2W3-CY-F3 converter is an ideal solution for the power supply industry due to its high efficiency, small form factor, and reliability. It is designed for applications such as industrial control, medical equipment, aerospace and automotive systems, telecom power supply, computer memory and general-purpose DC-DC converters. The basic working principle of the VI-2W3-CY-F3 converter involves converting the input direct current (DC) into an alternating current (AC) voltage before controlling the output voltage with a feedback loop. Its quasi-resonant forward converter architecture eliminates the need for an auxiliary winding and reduces EMI, resulting in a low profile, high efficiency solution.

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