V375A8H300BL2

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DC-DC converters are electronic devices that convert a direct current (DC) input voltage level to a different DC output voltage level, as illustrated in Figure 1. A wide variety of DC to DC converter circuits exist to provide these functions with High Efficiency – Low Noise – Low Output Ripple – High Isolation Voltage.One of the most common DC-DC converter topologies is the isolated DC to DC converter. This type of DC-DC converter is often used in telecommunications and computing applications due to its high efficiency and ability to provide a regulated output. The V375A8H300BL2 is an isolated DC to DC converter specifically designed for use in high voltage applications such as telecom backplanes, datacom equipment, or computing equipment.The V375A8H300BL2 is a buck-boost converter operating from an input voltage range of 36-75 VDC (wide range) and providing an adjustable output voltage range of 0.705 - 6.5 VDC. This high performance converter offers 4A continuous current and 76% efficiency with very low external component count. The V375A8H300BL2 also features I2C control for adjustable current limiting and system monitoring.The V375A8H300BL2 buck-boost converter is a switching converter featuring a buck-boost or 4-Quadrant operation which allows the device to output a regulated voltage above, below or equal to the input voltage. In buck operation, the input voltage is lower than the output voltage while in boost mode, the input voltage is higher than the output voltage. Additionally, the V375A8H300BL2 also provides for current limiting and thermal protection.The V375A8H300BL2 utilizes a synchronous buck-boost switching topology to provide a typical input power conversion efficiency of up to 76%. As shown in Figure 2, the buck-boost converter utilizes an active switching element, typically an N-Channel MOSFET, controlled by an internal control circuit. This control circuit also provides an adjustable number of output voltage steps and a fixed frequency range of 200 kHz.The V375A8H300BL2 device also utilizes an integrated output power MOSFET switch, allowing for high efficiency and fast transient response. Furthermore, the V375A8H300BL2 can be used as a buck-boost three terminal regulator by configuring the output voltage with the ON/OFF output Sense control pin.The V375A8H300BL2 is ideal for a wide range of applications, such as telecom backplanes and power supplies for network nodes. It is well suited for powering high-current loads such as FPGAs, processors, ASICs, DSPs, and other voltage sensitive devices. The low output ripple makes the device well suited for use in noisy environments. Additionally, its high efficiency and very low-noise operation make it well suited for powering high-performance circuitry.In summary, the V375A8H300BL2 is a high-performance, highly efficient, and reliable isolated DC-DC converter specifically designed for use in high voltage applications such as telecom backplanes, datacom equipment, or computing equipment. Its high-efficiency and low-noise operation make it ideal for powering sensitive, noise sensitive circuitry. It also offers an adjustable output voltage range with current limiting and thermal protection.

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