VI-J11-EW-B1

Current - Output (Max):	8.33A
Base Part Number:	VI-J11
Size / Dimension:	2.36" L x 2.28" W x 1.08" H (59.9mm x 57.9mm x 27.4mm)
Package / Case:	Half Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-10°C ~ 100°C
Features:	OCP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	VI-J00™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	32V
Voltage - Input (Min):	21V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: VI-J11-EW-B1 Application Field and Working Principle

DC-DC converters are power supplies that convert a DC voltage from one level to another, often stepping up or stepping down in order to optimize the power transfer. The VI-J11-EW-B1 DC-DC converter is a robust, fanless device utilizing double-sided cooling which makes it suitable for indoor and outdoor applications. Thehigh-efficient VI-J11-EW-B1 is rated for a maximum output power of 750W and providesaninput voltage range of 18 to 36V for ITE or 24 to 72V for telecom systems. It is designed to meet the need of increasingly demanding applications with triple isolated output, wide input voltage range, high efficiency, and fast transient response with minimum output voltage drop.

Application Fields

DC-DC converters are used to efficiently transfer electric energy between different levels of voltage and currents. The VI-J11-EW-B1 is a perfect fit for commercial applications such as medical, industrial, automotive, or telecom where robustness, efficiency, and reliability are essential. The quad-isolated inputs make the converter compatible with DC isolated power systems and its enormous power range couples with its high efficiency helps to reduce the overall component thermal dissipation.

Working Principle

The VI-J11-EW-B1is designed to convert DC power from a lower voltage to a higher one or vice versa. It does this by controlling the magnetization of an inductor, called the “beating heart” of the conversion process. The inductor stores energy in a varying magnetic field, then spontaneously releases it to the output when the magnetization is reversed. This process is enabled by controllable switches that, when toggled, adjust the flow of current and voltage from input to output. Furthermore, the inductor can be adjusted to increase or decrease the amount of energy transferred onto the output.The VI-J11-EW-B1 offers reliable operation over a wide temperature range, up to 80 °C, with either single or dual fault conditions, while keeping a high level of efficiency. The switching frequencies can be selected between 200 kHz and 500 kHz. This helps to reduce EMI emission and helps the converters achieve a high isolation level. All components used on the VI-J11-EW-B1 are carefully chosen based on their reliability while keeping the power loss as low as possible. The components are assembled on the PCB by automated stamping and by manual soldering in order to ensure the best achievable quality.

Conclusion

The VI-J11-EW-B1 DC-DC converter is an optimal choice for a wide array of commercial applications. With its wide input voltage range, high efficiency, and fast transient response with minimum output voltage drop, it is the perfect device for powering various computational or communication systems. It offers rich features such as triple isolated outputs, adjustable switching frequencies and reliable operation over a wide temperature range. All components used are carefully chosen for their reliability while keeping the power loss as low as possible. The VI-J11-EW-B1 is a device that is easy to apply and provides safe power conversion between various DC voltages.

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