SIP12108DB

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The SIP12108DB DC-DC Evaluation Board is an off-line switched power supply evaluation board developed by Infineon in 2019. This board is designed for the SIP12108DB, a Primary-Side Regulation (PSR) controller, and it provides improved performance, safety and system efficiency. The board has a built-in power converter that provides multiple output voltages with pre-selected range settings. It has an active burst mode that ensures system efficiency while achieving the same output power.

Application Field

The SIP12108DB DC-DC Evaluation Board is used for a wide range of applications, such as grid connected, medical, industrial, automotive, and consumer applications. This evaluation board is mainly used in power supplies, such as AC-DC flyback, offline and forward converters. As the board is small and compact, it is suitable for applications that require a minimum of space. The board also offers excellent features such as overvoltage protection, undervoltage lockout and over-temperature protection.

Working Principle

The SIP12108DB DC-DC Evaluation Board is a primary-side regulation (PSR) controller board. This board is suitable for off-line flyback, forward converters and offline resonant converters. The main purpose of PSR control is to reduce the complexity required for sensing the output voltage back to the primary side and eliminates the need for an optocoupler. This board has a built-in regulation loop that helps to regulate the output voltages. During the operation, the supply voltage is sensed by an internal transistor and the feedback loop is closed accordingly to maintain an accurate input voltage. The board can also be monitored in real-time by the built-in LEDs.

The SIP12108DB DC-DC Evaluation Board has a range of fixed settings for the output voltages so that they can be pre-selected according to the requirements of the application. The board also has an active burst mode that helps to reduce the power consumption while achieving the same output power. In standby mode, the system shuts down the primary side to the minimum level of current required, saving power and improving efficiency. The board also has overvoltage protection, undervoltage lockout, and over-temperature protection which protect the internal components of the essential parts from any damage or malfunction.

The SIP12108DB Evaluation Board offers excellent solutions for off-line switched power supply applications. The board offers improved performance, safety, and system efficiency. The range of features and protection schemes combined with the pre-selected voltage settings provides a reliable and cost-effective solution for various applications. The small form factor also helps to reduce the space requirement of the evaluation board.

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