VI-B40-EX-F3

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DC-DC converters are essential components for most modern electronics and industrial automation processes. The VI-B40-EX-F3 is a highly efficient, low voltage, high-power-density DC-DC converter, ideal for a variety of applications including industrial control, automation, and telecommunication systems. The product has a wide range of input voltages (21 to 32V) and output power (up to 150W). It also offers excellent efficiency (up to 95%), transient response and low output noise.

The VI-B40-EX-F3 is an isolated converter with synchronous rectification technology. This means that it employs two field-effect transistors (FETs) as the main switching elements in the power conversion process. The two FETs create a bridge circuit where one side converts the source DC voltage to AC and the other side rectifies and filters the AC voltage back into DC. This method increases the power transfer efficiency while also providing galvanic isolation between the input and output. The input signal is filtered by a low-pass filter to reduce noise from the DC bus and improve surge immunity. The output voltage is controlled by a pulse-width modulation (PWM) circuit that modulates the FET switches and thereby adjusts the output voltage.

The product has a built-in protection mechanism to ensure safe and stable operation. Over-voltage protection prevents the output voltage from exceeding a predetermined level by disconnecting the converter from the supply voltage. Short-circuit protection is provided by the voltage-sense circuit, which detects overcurrent on the output side and shuts down the converter. Over-temperature protection is provided by an internal temperature sensor which will shut down the converter if the temperature exceeds a certain point.

The VI-B40-EX-F3 is an ideal solution for a variety of industrial application fields, such as medical, communication, control and instrumentation, where a reliable power supply with high efficiency and high power density is required. The robust design ensures reliable and safe operation in harsh environmental conditions. It is also suitable for powering sensitive circuitry, such as embedded devices, due to the low output ripple and noise.

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