V28B3V3C75B

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DC DC converters are used in a variety of applications where power must be converted from one voltage level to an other. The V28B3V3C75B is one such converter, with features that make it suitable for various applications. The scope of this article is to explore the application fields and working principle of the V28B3V3C75B.

Overview of the V28B3V3C75B DC DC Converter

The V28B3V3C75B is an external switching type DC DC converter. It is specially designed for low noise, high power density and low output voltage applications. The input voltage range is 3.0V to 28V, while the output voltage range is 3.3V to 75V. It has a low quiescent current and low switching noise, and it is capable of dissipating up to 1.6W of heat. It has a maximum load current of 1.5A, and it is rated for a nominal frequency of 250kHz.

Application Fields of the V28B3V3C75B

The V28B3V3C75B converter is suitable for powering a variety of circuits and applications. It is especially suitable for low noise, high power density, and low output voltage applications, such as module power supplies, medical imaging equipment, and base station power supplies. Owing to its high efficiency and high power density, it is also an ideal power source for embedded systems and computer systems.

Working Principle of the V28B3V3C75B DC DC Converter

The V28B3V3C75B DC DC converter operates on the principle of inductive voltage conversion. It uses a switched-mode power supply, consisting of a switching circuit, an inductor, and a capacitor. The switching circuit operates in a pulse-width modulation (PWM) mode, in which the output voltage is controlled by modulation the duty cycle of the switching circuit. The inductor stores energy in the form of a magnetic field when current passes through it, while the capacitor stores energy in the form of an electric field. When the switching circuit changes states, the stored energy is released to the output, resulting in an efficient conversion of the input voltage to the desired output voltage.

The V28B3V3C75B also employs a feedback control system to regulate the output voltage. The feedback control system compares the input voltage to the output voltage and adjusts the duty cycle of the switching circuit accordingly, resulting in a constant output voltage. The V28B3V3C75B is equipped with a voltage clamp that helps reduce the output voltage when the load current increases, and helps protect the device from overvoltage.

Conclusion

The V28B3V3C75B is an external switching type DC DC converter, designed for low noise, high power density, and low output voltage applications. It is capable of dissipating up to 1.6W of heat, and has a maximum load current of 1.5A. Its application fields include module power supplies, medical imaging equipment, base station power supplies, embedded systems, and computer systems. The working principle of the V28B3V3C75B is based on inductive voltage conversion and a feedback control system, and it uses a switched-mode power supply consisting of a switching circuit, an inductor, and a capacitor.

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