VTD48EH040T025A00

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VTD48EH040T025A00 is an off-line SMPS Evaluation Board for DC/DC & AC/DC converters that makes power conversion design, development and layout easy. It helps to reduce the complexity of SMPS designs and eliminate costly development time. This Evaluation Board offers wide input voltage range (85-264VAC) and wide output voltage range (3.6-4.2V). With its adjustable feedback voltage, the user can easily adjust a desired output voltage. The value of the feedback voltage is set externally by using onboard trim pot. Onboard feedback circuit reduces the number of feedback components needed to limit start-up current, and shut-down current. The 48 kHz switching frequency ensures an exceptional performance level.

The Evaluation Board also features an on-board high frequency switchmode FET which is tough and reliable. It also features circuit protection by an auxiliary winding fuse and an integrated soft start allows for current limiting. The board also has an on-board voltage feedback bridge rectifier, which is a critical component of all SMPS designs. This rectifier helps reduce the number of external components and eliminates the need for external rectification circuitry. Additionally, an on-board power transformer helps to reduce the number of external components required.

The working principle of VTD48EH040T025A00 is simple. The on-board rectifier converts AC input voltage into DC output voltage which is then regulated using the onboard FET switch. The onboard voltage feedback bridge rectifier helps regulate the DC output voltage by monitoring the voltage at the output. When the output voltage reaches the desired value, the FET switch is triggered off and the transformer core disengages from the input voltage cycle. This allows the output voltage to stabilize and remain constant until the next switching cycle.

This Evaluation Board offers a reliable solution for all DC/DC & AC/DC converters. It helps to reduce the complexity of the designs and eliminates costly development time. Thanks to its adjustable feedback voltage, users can easily adjust the desired output voltage and reduce the number of external components required. Additionally, its efficient power transformer and integrated soft start provide circuit protection and greater reliability. With the help of VTD48EH040T025A00 Evaluation Board, designers can get the job done with a minimum amount of time and effort.

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