VI-25T-CY-F1

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DC-DC converters offer a way to take a direct current at one voltage level and convert it to a different voltage level. VI-25T-CY-F1 is a series of DC-DC converters specifically designed for the telecommunications and other ICT (Information and Communication Technology) applications.

The VI-25Y-CY-F1 provides a wide input voltage range from 4.5V-50V DC, making it suitable for both low voltage and standard high voltage applications. This series is rated for a 2.5A continuous output current and features an efficiency of up to 94%. The F1 specification also boasts a wide temperature range of -40°C to +105°C and a maximum ripple of 40mV at a 25°C ambient.

The VI-25T-CY-F1 offers four different operating modes: constant voltage (CV), constant current (CC), automatic current sharing (ACS) and standby/operating mode (S/O). The CV mode is used for applications where the output voltage needs to remain constant regardless of the input, such as powering digital electronics. In the CC mode, the converter maintains a given output current to the load no matter what input voltage is applied. The ACS mode is used when a cluster of converters must share the load in order to maintain the proper output voltage. Finally, the S/O mode allows the converter to enter a low power state when the input is below a certain threshold.

The VI-25T-CY-F1 also features an active voltage transient immunity (VTI) system that provides protection against voltage surges and transients. It includes a timer circuit and automatic reset functions to ensure the converter returns to its normal operating mode after encountering a transient or over voltage/protection event.

In addition to these features, the VI-25T-CY-F1 also has a low-noise design with an adjustable switching frequency from 15 to 550kHz as well as a current protection feature that works together to minimize switching noise and ensure the integrity of the load. Finally, the VI-25T-CY-F1 also includes a DirectFET package that provides extreme thermal performance for the highest power densities.

In short, the VI-25T-CY-F1 is the ideal solution for any telecommunications or ICT application due to its wide input voltage range, high output currents, active VTI protection, and low noise and current protection features. Its compact form factor and directFET package ensure the highest performance and reliability while maintaining a high power density, making it the perfect choice for any ICT or telecommunications application.

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