VI-201-MX-F4

Current - Output (Max):	6.25A
Size / Dimension:	4.60" L x 1.86" W x 1.05" H (116.8mm x 47.2mm x 26.7mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-55°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	75W
Series:	VI-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	20V
Voltage - Input (Min):	10V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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VI-201-MX-F4 Application Field and Working Principle of DC-DC Converters

DC-DC converters are used to convert the direct current (DC) from a specific source to a voltage that is necessary for a load to function. Depending on the supply voltage and the load voltage, the DC-DC converter can either step up or step down the voltage. DC-DC converters are commonly employed in vehicles, airplanes, factories, and open-loop systems.VI-201-MX-F4 is a series of DC-DC converters that are widely used in the automotive and industrial areas. This series of DC-DC converters are able to efficiently step-down the input voltage to the needed level in order to meet the requirements of the load or other electrical equipment. In addition, it is designed for a wide operating temperature range of -40°C to +85°C.

VI-201-MX-F4 Operating Principle

The working principle of the VI-201-MX-F4 is based on the flyback topology. The input voltage is rectified by a high-frequency circuit and then it is boosted by an auxiliary winding coupled with the primary winding on the transformer. This process creates an AC voltage across the primary winding, which is rectified by the active rectifier and then regulated by the linear regulator before being output to the load. The control circuit will firstly detect the input voltage by the voltage divider and compare it with the preset reference voltage. Thereafter the selected reference pulse-width-modulated control will be applied to the primary winding and it will be intermittent and adjustable. This will leads to an increased voltage to the primary winding to generate a high frequency square wave. Eventually, the output voltage will be settled and stabilized accordingly.

Applications of VI-201-MX-F4

The VI-201-MX-F4 series of DC-DC converters are mainly applied to the electronic automotive and industrial applications, such as LED lighting, industrial power sources, communications and computing equipment, commercial or military power systems, medical equipment, consumer electronics, pollution abatement systems, and satellite control systems. The VI-201-MX-F4 series advantage over other DC-DC converters is that it features high efficiency, low output ripple, wide input voltage and operating temperature ranges, and high reliability. Moreover, it is designed with a redundancy functionally that allows multiple units to power a load in parallel, providing redundancy and high system availability.

Conclusion

The VI-201-MX-F4 series of DC-DC converters is an effective way to convert the direct current from a specific source to the voltage of a load. These converters have a wide range of applications that span from LED lighting to medical equipment. The VI-201-MX-F4 features high efficiency, low output ripple, wide input voltage and operating temperature ranges, and high reliability. It also has a redundancy functionally that allows multiple units to power a load in parallel. The combination of features makes the VI-201-MX-F4 series of DC-DC converters an ideal choice for many applications.

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