VE-B4K-EU-F3

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DC-DC converters are electronic components built to enable the transformation of a DC (direct current) input voltage to a different DC output voltage. They are commonly used to produce both higher and lower DC voltages than available in the input, commonly sourced from batteries, in a variety of applications including portable electronics. The VE-B4K-EU-F3 series has been introduced by TDK-Lambda, an international power supply manufacturer, specifically focused on the requirements of a high-speed, high-power DC-DC power supply system.

The VE-B4K-EU-F3 series is a high-performance, commercial-grade power conversion system developed to provide both step-up (boost) and step-down (buck) regulation from a 12 to 48V DC input. These converters offer an adjustable output voltage range of up to 50V, making them suitable for a wide range of voltage applications. The unit also offers wide load range regulation capabilities from 0.3 to over 600A, with programmable current control limiting and over-voltage and under-voltage protection.

This unit also provides a range of other features that make it well-suited for a variety of applications, including an adjustable floor-limit cell voltage protection, programmable over-temperature protection, and input under-voltage protection. The VE-B4K-EU-F3 also offers an integrated EMI filter, allowing for greater regulation accuracy and reduced EMI noise.

The working principle of this series of DC-DC converters consists of a main power factor correction (PFC) stage, followed by a secondary stage of buck or boost regulation. In the first stage, the PFC module boosts the input voltage andcurrent, smoothing the input waveform to reduce EMI and improve system efficiency. In the second stage, the buck or boost regulator takes the output of the PFC stage and further converts it for use in the target application. As with all DC-DC converters, the output voltage can be adjusted by adjusting the duty cycle of the control signal.

The VE-B4K-EU-F3 series of DC-DC converters is ideal for system designers who require wide input voltage ranges and high levels of performance. With features such as integrated EMI filter, adjustable cell voltage protection, programmable over-temperature protection, and input under-voltage protection, this series is a reliable and cost-effective solution for applications where high-speed power conversion is a must.

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