VE-B4B-IW-S Power Supplies - Board Mount

Current - Output (Max):	1.05A
Size / Dimension:	4.60" L x 1.80" W x 0.52" H (116.8mm x 45.7mm x 13.2mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	VE-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	95V
Voltage - Input (Max):	100V
Voltage - Input (Min):	55V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC-DC converters are the heart of power electronics, in which direct current is converted from one voltage to another. A variety of converters exist to match different power needs; this article focuses on the VEB4B-IW-S application field and working principle.VEB4B-IW-S is a DC-DC converter with an isolated bidirectional bus link unit, capable of sustaining short-term and continuous power transfer between input and output. This converter is compliant with the most common standards in terms of output voltage, current, frequency, and voltage ripple. It is available in a variety of case sizes, from 40W to 1200W.Specifically designed for isolated bidirectional bus links, the VEB4B-IW-S comes with an integrated balanced rectifier, an input filter, and full protection features. The built-in MOSFET switch allows for smooth start-up, high efficiency, and fast response to load changes. The insulation capacitance between two input ends significantly reduces losses and improves efficiency.The main application of the VEB4B-IW-S is to convert DC voltage levels between two isolated electronic systems, to ensure data integrity in IT equipment, telecom infrastructures, medical systems, and other sensitive applications. Owing to the high degree of flexibility provided by the VEB4B-IW-S, it can also be used in more demanding applications, such as electric vehicles, inverter systems, and high power density switching boards.To discuss the working principle of the VEB4B-IW-S, one first must understand the three essential stages of a DC-DC converter: rectification, regulation, and protection.In the rectification stage, the converter uses an inverter to convert the AC input voltage to DC power. A rectifier is then used to rectify and filter the DC voltage, while integrated galvanic insulation helps avoid interference.The regulation stage begins with the conversion of the DC voltage to another DC voltage, typically by using pulse width modulation (PWM). Advanced current sensing and control algorithms ensure that the output voltage remains within a specified tolerance range.The final stage is protection, which is essential as any power converter must be able to respond to anomalous situations, such as overcurrent, overvoltage, over temperature, internal disturbance, or output short-circuit, and take appropriate action to ensure the system’s availability.The VEB4B-IW-S features built-in protection for these anomalous conditions, thereby ensuring that the device is well-suited for a wide range of applications.In conclusion, the VEB4B-IW-S DC-DC converter is designed for isolated bidirectional bus links, and is capable of sustaining both short-term and continuous power transfer. Its rectification, regulation, and protection stages help ensure the quality of the output voltage, while its integrated galvanic insulation assists with protection against interference. Additionally, the wide variety of case sizes and its suitability for a range of applications mean the VEB4B-IW-S is one of the most versatile and reliable DC-DC converters on the market today.

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