VI-JWB-IZ-F4

Current - Output (Max):	263mA
Base Part Number:	VI-JWB
Size / Dimension:	2.28" L x 1.86" W x 1.04" H (57.9mm x 47.2mm x 26.4mm)
Package / Case:	Half Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 100°C
Features:	OCP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	25W
Series:	VI-J00™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	95V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: VI-JWB-IZ-F4 Application Field and Working Principle

DC-DC converters are used to convert a direct current (DC) input into a different direct current output voltage. They can be used to step a voltage up or down, and to provide isolation between the input and the output of the converter. The VI-JWB-IZ-F4 is a “brick-style” DC-DC converter with a maximum power output of 40W. It is commonly used in automotive, industrial, and consumer electronics applications.

Applications

The VI-JWB-IZ-F4 is a versatile and reliable DC-DC converter suitable for a wide variety of applications.

Automotive

The VI-JWB-IZ-F4 is suitable for a range of automotive applications, such as in-vehicle systems, battery management systems, and electronic control units. It can provide a regulated output voltage from a 12V or 24V lead-acid battery, and is designed to be rugged enough to withstand extreme environmental conditions such as shock and vibration.

Industrial

The VI-JWB-IZ-F4 can be used in industrial applications, such as industrial control systems, renewable energy systems, and instrumentation systems. It can also be used in robot arms to power stepper motors and servos.

Consumer Electronics

The VI-JWB-IZ-F4 can be used to power a variety of consumer electronics, such as Electronic Point of Sale (EPOS) systems, portable devices, and industrial appliances. It can also be used to power DC motors and linear actuators.

Working Principle

The VI-JWB-IZ-F4 works on the principle of buck-boost conversion, a method of converting one voltage level to another. In the case of the VI-JWB-IZ-F4, the input voltage can vary between 10V and 28V DC, while the output voltage is adjustable between 4.5V and 15V.The VI-JWB-IZ-F4 is constructed with two switching FET transistors, as well as two output inductors. During buck-boost conversion, one of the FET transistors is switched on for a cycle, while the other is switched off. This causes current to flow through the inductor, charging it up. When the current reaches its peak, the FET transistor switches off, and the current is discharged into the output circuit. This alternating switching process causes the output voltage to fluctuate, resulting in a step-up or step-down DC voltage conversion.To ensure that the load current received by the VI-JWB-IZ-F4 does not exceed 40W, the device is fitted with two current limiting circuits. The first circuit monitors the output current and shuts down the device if the current exceeds the rated limit. The second circuit prevents the voltage from rising above a certain level to prevent damage to the device under high load conditions.The VI-JWB-IZ-F4 also features a soft-start function, which gradually ramps up the output voltage when the power is switched on, avoiding current surges.

Conclusion

The VI-JWB-IZ-F4 is a robust and reliable DC-DC converter suitable for a range of automotive, industrial, and consumer electronics applications. It has a power output of 40W and operates on the principle of buck-boost conversion. The device is fitted with two current limiting circuits, as well as a soft-start function, to ensure safe operation under all conditions.

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