LM5117EVAL/NOPB

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The LM5117EVAL/NOPB is a versatile evaluation board designed to evaluate the LM5117 dual inverting buck-boost regulator. The LM5117EVAL/NOPB is an ideal choice for applications where accurate control, robust operation and quality power supply are important considerations. The LM5117EVAL/NOPB is a mainboard integrated with two LM5117s (A0 and A1), an RS-485 converter module (LEU184), two DC/DC and AC/DC (off-line) SMPS (suitable for both isolated and non-isolated supplies), and a variable speed fan to improve the device’s thermal control. It is ideal for applications such as motor control, automotive lighting, LED lighting, and industrial motor control.

The LM5117 is a dual-inverting buck-boost regulator which offers the convenience and flexibility of a buck-boost regulator plus the accuracy and response of a synchronous buck regulator. This is achieved by combining a buck-boost topology with a linear regulator to create a voltage platform that can track the input voltage and provide a regulated output regardless of the changing input voltage. The core topology of the LM5117 is a synchronous buck-boost which uses voltage scaling (instead of current sensing) to regulate the output voltage. It allows for the constant tracking and regulation of an output voltage as the input voltage varies from the nominal to the output voltage.

The LM5117 offers several advantages over other buck-boost regulators, such as better load current accuracy, faster transient response, and improved thermal performance. Additionally, the combination of the buck-boost topology and the linear regulator provide a wide output voltage range, low power dissipation, and low power supply instability.

The LM5117EVAL/NOPB is designed to provide a complete evaluation platform for the LM5117 and can be used to evaluate the device’s performance in a variety of applications. The design includes a free-running fan, two DC/DC and AC/DC (off-line) SMPS, and an RS-485 converter module. The board is fully tested and approved to UL60950 environmental requirements. The board provides the user with all the necessary components and tools to evaluate the LM5117 under actual operating conditions.

The LM5117EVAL/NOPB is designed to be connected to a secondary power source for testing. The second power supply will provide all of the power needed to run the board and evaluate the LM5117. The DC/DC and AC/DC (off-line) SMPS are designed to convert the second power source into the appropriate voltages to power the LM5117.

The LM5117EVAL/NOPB also includes an RS-485 converter module for communication with the board. The module allows for the serial communication between the board and a computer or PLC, allowing the user to access and monitor the board’s performance in a variety of applications.

The LM5117EVAL/NOPB is an ideal choice for applications where accurate control, robust operation and quality power supply are important considerations. With all of the necessary components and tools included, the LM5117EVAL/NOPB is an ideal platform for evaluating the LM5117 in a variety of applications.

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