VI-24K-IY-B1

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DC DC converters are widely used in industrial and commercial applications because they can provide reliable, regulated power from a variety of sources. The VI-24K-IY-B1 is a state-of-the-art buck converter from Vicor Corporation designed to provide regulated power from a wide range of input voltages. This article will discuss the application field and working principle of the VI-24K-IY-B1 DC DC converter.

The VI-24K-IY-B1 is accredited to meet the requirements for the EN61000-6-2 EMC and IEC60950-1 safety standards as well as being suitable for use in many military and aerospace applications. Its wide input voltage range of 16V to 48V makes it suitable for a variety of input sources making it an ideal choice for applications with multiple power sources. The high input to output isolation tolerance makes the device suitable for many industrial applications that need reliable power from their device.

The VI-24K-IY-B1 DC DC converter uses a patented “buck topology” to convert the input voltage to a regulated, adjustable output voltage. This topology works by using a PWM controller to regulate the current flow from the input power supply to the output power supply. The power delivered to the output side is dependent on the duty cycle of the PWM controller. The duty cycle is controlled by the voltage present at the COMP terminal on the converter. By controlling the voltage of the input and output sides, the overall efficiency of the converter can be optimized.

The VI-24K-IY-B1 also features a high frequency power MOSFET switch that is used to regulate the on/off times of the PWM controller. This high frequency switching allows for efficient power conversion with minimal losses. Additionally, the power MOSFET switch also serves as a current limiter, ensuring that the device does not overload due to excessive current. By limiting the output current, the device can provide more reliable power and longer expected service life.

In addition to the power MOSFET switch, the converter also features an LC filter that is used to reduce high frequency noise. The LC filter is composed of an inductor and a capacitor and is used to create a low-pass filter that acts as a noise suppressor. This filter ensures that the output signal is clean and free from interference.

The VI-24K-IY-B1 DC DC converter also features two external control pins, SHUTDOWN and SYNC. The SHUTDOWN pin allows the user to turn off the switching regulator when no load is present. This is useful in applications that require low-power standby operation. The SYNC pin allows the user to synchronize the switching frequency of multiple converters, ensuring that they all operate at the same frequency for improved system efficiency.

The VI-24K-IY-B1 DC DC converter is a reliable, high performance, and efficient device for converting alternating or DC inputs into regulated, adjustable, and isolated outputs. Its wide range of input voltage, high efficiency, low-noise operation, and current limiting capabilities make it a great choice for many industrial applications. Additionally, its ability to be synchronized with other converters makes it well suited for applications with multiple power sources.

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