VI-21M-CY-F3

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DC-DC converters, such as the VI-21M-CY-F3, provide a wide variety of solutions for industrial and consumer applications. These converters are capable of providing electrical power from sources with varying input voltages, such as alternating current (AC) or direct current (DC). The output voltage requirements of the load may be lower or higher than the input voltage; this is the reason why such converters are called voltage converters. DC-DC converters have several different types, including switch mode, linear mode, switched capacitor, and isolated mode.

VI-21M-CY-F3 Application Field

The VI-21M-CY-F3 DC-DC converter is a wide input, low-dropout, integrated circuit (IC) switch-mode power supply designed to operate from input voltages ranging from 6.0V to 32V. It is suitable for most automotive and industrial applications. The converter is designed to deliver up to 15A power to the load (50W max), with a minimum dropout voltage of 600mV. It features adjustable output voltage and a wide range of protection features, such as over-current, over-temperature and over-load protection.

Working Principle of VI-21M-CY-F3

The VI-21M-CY-F3 power supply is a high-efficiency design with low-dropout, wide input voltage range and adjustable output voltage capability. The internal architecture of the converter is based on a pulse width modulated (PWM) switching regulator with automatic feedback control. The converter features an integrated switch, a voltage-to-current converter, an error amplifier, a gate driver and a high-side/low-side control circuitry. The voltage-to-current converter and the error amplifier are used to detect the input voltage and the load current, respectively.

The error amplifier controls the voltage-to-current converter to provide a reference current to the internal switch. The internal switch is then switched on and off in order to regulate the output voltage as desired. The output voltage is controlled by the error amplifier in order to maintain a constant voltage at the load. The high-side/low-side control circuitry ensures that the high-side and low-side of the internal switch never turn on at the same time. This ensures efficient and safe switching of the internal switch.

Advantages of VI-21M-CY-F3

The VI-21M-CY-F3 power supply has several advantages over traditional linear power supplies. The main advantages include improved efficiency, improved overload/short-circuit capability, improved system reliability and better load-regulation performance. The VI-21M-CY-F3 power supply can easily be integrated into automotive and industrial applications due to its small package size and available configurable options. The converter also provides protection against over-voltage, over-load, short-circuit, and over-temperature conditions, ensuring that the power supply remains safe and reliable. Additionally, the converter can operate from a wide input voltage range and deliver up to 15A power to the load.

Conclusion

The VI-21M-CY-F3 DC-DC converter is a reliable and efficient power supply designed for automotive and industrial applications. It operates from a wide input voltage range and delivers up to 15A power to the load. The converter features over-voltage, over-load, short-circuit, and over-temperature protection, ensuring that the power supply remains reliable. This makes the VI-21M-CY-F3 an ideal choice for wide variety of applications.

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