V7803-1000

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DC DC converters are becoming increasingly common as power requirements of electronic devices are growing and the need for efficient power delivery increases. The V7803-1000 is a range of isolated DC-DC converters designed and manufactured by Vicor. This model of DC-DC converter offers a wide range of input voltage and power levels, making it ideal for a range of applications.

Application Field

The V7803-1000 is perfect for applications where an efficient power delivery system is required. It can be used in a number of industries including industrial, medical, automotive, telecoms and consumer products. It has a versatile range of input and output voltages and no external components are required to provide maximum efficiency.

The high quality components used in the V7803-1000 make it suitable for use in situations that require high reliability and performance. Its excellent surge capability allows it to operate in environments with high currents or currents with peak demands. It also has an extremely low typical no-load power draw and high efficiency, meaning it uses minimal energy.

The V7803-1000 is designed with a wide input voltage range of 9 to 36 VDC. This means it can be used with different power supplies such as 4.2 V, 2-cell Li-ion batteries, 3-cell Li-ion batteries, or 12VDC and 24VDC power supplies. It has an output voltage range of 3.3 to 24 VDC and can be adjusted with the on-board adjustment potentiometer.

Working Principle

The V7803-1000 is a switch-mode isolated DC-DC converter that uses a synchronous buck converter circuit topology. This allows the converter to step down voltages from 9-36 VDC to 3.3-24 VDC. The operating frequency is configured to be either 650 kHz or 1.3 MHz, depending on the application.

The output of the V7803-1000 is isolated from its input using a high-efficiency transformer, making it suitable for applications that require isolation between the input and output voltages. The converter includes protections to ensure it meets safety and reliability standards, including over current protection and short circuit protection. It also has wide temperature range capabilities (-40°C to +105°C) and a low external component count, making it a very efficient and low-cost solution.

The V7803-1000 is a very versatile DC-DC converter that is suitable for a range of applications. Its wide input voltage range and output power levels make it ideal for low-power isolation applications, where efficient and reliable power delivery is needed. It is also easy to install and use, thanks to its small size and low external component count.

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