VTD48EF030T070A00

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VTD48EF030T070A00 is a type of evaluation board which is categorized under DC/DC & AC/DC (Off-Line) SMPS (Switch Mode Power Supply). It is a cost-effective power supply module with high power density and low noise. The module allows users to evaluate the performance of different AC/DC or DC/DC power supplies under various operating conditions. VTD48EF030T070A00 features a high efficiency of up to 97%, wide input voltage range of 6~36V, and adjustable output voltage and current ratings from 0.75~3.6V at 3A.

VTD48EF030T070A00 application fields includes telecommunication systems, consumer electronic products, motor controlling systems, lighting systems, industrial automation, and medical equipment. This evaluation boards is suitable for wide temperature environment with power range of up to 30W. The module have also passed strict safety standard certification such as CE, UL, FCC, and TUV.

VTD48EF030T070A00 works according to the buck-boost topology which converts input voltage into desired output voltage while maintaining a constant current. The switch mode power supply is composed of a power transistor (SW1), transformer, diode (D2), capacitor, and control IC (U1). The switch mode power supply is designed to work on either type of mains, it operates in two modes: buck (step down) or boost (step up). During the buck mode, the power transistor (SW1) and diode (D2) work alternately to reduce the output voltage. During the boost mode, the diode (D2) and power transistor (SW1) work together to increase the output voltage. Both these processes happen cyclically.

In the buck-boost topology, the control IC (U1) monitors and regulates the voltage output by detecting the current passing through the power transistor (SW1). It then switches on the appropriate device so that output voltage remains constant. This control IC also monitors the thermal condition of the board by adjusting the output current or switching off the device if necessary. In addition, the module is designed with over current protection (OCP), short circuit protection (SCP) and over-temperature protection (OTP).

In conclusion, VTD48EF030T070A00 is a cost-effective, high-performance evaluation board for DC/DC & AC/DC (Off-Line) SMPS. It features a wide input voltage range, adjustable output voltage and current rating, high efficiency of up to 97%, and strict safety standard certification. It is suitable for various applications such as telecommunication systems, consumer electronic products, motor controlling systems, lighting systems, industrial automation, and medical equipment. Its buck-boost topology allows it to work on both AC and DC sources, while the control IC regulates the output voltage to keep it stable. It also provides necessary protections to ensure maximum safety during operation.

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