VI-BT2-EW

Current - Output (Max):	3.33A
Size / Dimension:	4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-10°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	VI-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	15V
Voltage - Input (Max):	160V
Voltage - Input (Min):	66V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters:VI-BT2-EW application field and working principle

DC-DC converters have become increasingly important in many applications since they are capable of converting a dc input voltage to other dc voltage levels. Applications of DC-DC converters range from power supplies to motor controllers, and their working principles often include controlling and regulating the amount of power flow and energy used. In this article, we will focus on the VI-BT2-EW DC-DC converter and explain its application field and working principle.The VI-BT2-EW is a single-output, isolated dc-dc converter that is designed to provide a regulated output voltage between 5V and 13V. It can accept either an unregulated input voltage of 10.8-13.2V (for standard version) or a 5V input (for logic version). The device operates at a switching frequency of 50kHz, providing up to 5A output current for standard and 3A for logic version. The VI-BT2-EW converter is primarily used for industrial, automotive, and communications applications where regulated DC power is needed for system operation.The VI-BT2-EW converter works by rapidly switching the transformer’s primary winding for a short time before a reflective pulse is sent back to the control stage. This reflected pulse is used to adjust the width of the primary winding switching current pulse in order to regulate the desired output voltage. The switching frequency stays constant, ensuring a stable output regulated voltage.The VI-BT2-EW features both constant voltage and constant current/power modes. In constant voltage mode, the device is designed to smoothly control and adjust the output voltage within the specified range. This ensures that the output voltage remains stable and that the system it is powering stays within its specified operational range.In constant current/power mode, the VI-BT2-EW is designed to limit the power drawn from the input source while also ensuring steady performance of the output. It uses a pulse-width-modulated (PWM) control circuit to maintain a stable output current. The device can handle a peak current up to 5A in the standard version and 3A in the logic version.The VI-BT2-EW also offers a wide range of protections for its input and output stages, which includes surge, overcurrent, short-circuit, and overvoltage protection. This helps ensure that the device is safe to use and that it can withstand extreme voltage variations without sustaining any damage.In conclusion, the VI-BT2-EW converter is an isolated DC-DC converter designed for applications in industrial, automotive, and communications where regulated DC power is needed for system operation. It features both constant voltage and constant current/power modes as well as a wide range of protections for its input and output stages. Furthermore, its regulated output voltage is accurate and stable and it is efficient even under extreme voltage variations.

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