DC1289A

Series:	No RSENSE™
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	1.2V
Current - Output:	15A
Voltage - Input:	4.5 V ~ 14 V
Regulator Topology:	Buck
Frequency - Switching:	430kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	LTC3879
Base Part Number:	LTC3879

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The DC1289A Evaluation Board is a device specialized for evaluating off-line DC/DC & AC/DC switching power supplies. It helps to perform basic measurements on DC/DC & AC/DC power conversion circuits, as well as to help a user develop, optimize, and troubleshoot their products. This evaluation board is most suitable for usage with power supplies that operate off of 120VAC, and is capable of delivering up to 15 Amps of continuous current.The board works by taking an off-line DC/DC or AC/DC power supply, and using it to power a high-frequency pentode bridge rectifier, which is effectively a make-and-break type rectifier. This rectifier then supplies power to an active full-wave regulator, which is used to regulate the supply voltage. This regulator is then used to provide a stable DC voltage to the downstream devices.The DC1289A Evaluation Board also has a built-in current limit function, which can be used to set the maximum current limit of the output. This current limit feature helps ensure that the board does not overload the supply when measuring higher currents.The output voltage of the board is adjustable, and can be adjusted between 0 and 5 Volts, allowing the user to set the required output voltage. Additionally, the board also offers a highly adjustable frequency range, allowing the user to adjust the output frequency in order to optimize their design.Finally, the DC1289A evaluation board is also equipped with several LED indicators. These indicators are used to indicate the output voltage of the board, and the current limit setting. The LED indicators also help to monitor the board’s operation when testing different supply parameters.Overall, the DC1289A Evaluation Board is an essential tool for those who are working on off-line DC/DC & AC/DC switching power supplies. It provides a comprehensive range of test and measurement features, allowing users to develop, optimize, and troubleshoot their products. Additionally, the board is also highly adjustable, allowing users to set the desired output voltage and frequency. Finally, the built-in LED indicators make it easy to monitor the board’s operation, and help to ensure that the user is not overloading the supply.

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