VI-B4Z-EX-F2

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DC-DC converters are electronics devices used to convert electric power from direct current (DC) to direct current (DC), often with an intermediate conversion into alternating current (AC). In a DC-DC converter, the input voltage is normally regulated and the output voltage adjusted for efficiency. In order to maintain power quality and stability, DC-DC converters are generally used in communication, industrial systems, and automotive power systems.

The VI-B4Z-EX-F2 is a family of DC-DC converters from Intersil. These converters provide up to 15A of continuous output current and can support a wide variety of input voltages ranging from 9V to 50V. They are designed for use in high voltage applications such as automotive and industrial electronics. The VI-B4Z-EX-F2 series employs synchronous buck converters that provide efficiency up to 96% and offer features such as fixed frequency, temperature compensation, current sharing, digital soft start, and short circuit protection.

Application fields for the VI-B4Z-EX-F2 converters include server, processor, and communication systems. These devices are designed to reduce power dissipation and noise levels by operating efficiently at high frequencies. For this reason, they are often used in servers and processors that require significant amounts of power. The VI-B4Z-EX-F2 converters are also used in communication systems and other low-voltage, high-power applications.

The working principle of the VI-B4Z-EX-F2 is based on the principle of synchronous buck or step-down conversion. This process begins with the input voltage being converted to an intermediate voltage by a transformer and then passed through a diode bridge rectifier to convert the AC to DC. The DC output is then regulated by a voltage feedback loop (“closed loop” control) and passes through an inductor–capacitor filter to smooth out any ripple. This regulated voltage is then delivered to the load.

In addition to the simple step-down conversion mode, the VI-B4Z-EX-F2 can also be used in a synchronous buck-boost configuration, allowing for an increase of the input voltage when needed. This mode of operation is useful for applications that require a stable output voltage despite varying input voltages.

The VI-B4Z-EX-F2 converters provide excellent performance in high power applications. They feature high efficiency, low output voltage ripple, and a wide operating temperature range, making them suitable for a variety of conditions and applications. Additionally, the converters support adjustable frequency operation, allowing for a variety of power optimization solutions. Lastly, the VI-B4Z-EX-F2 converters offer advanced protection features such as current limit, short circuit protection, overvoltage protection, and alarm features to ensure that the system is operating safely and efficiently.

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