LM34914EVAL

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The LM34914EVAL evaluation board is a high-quality development platform for studying the latest developments in off-line, DC/DC and AC/DC conversion circuits. It provides designers, engineers, and researchers with insight into the impact of different components on circuit performance, allowing them to quickly evaluate and compare various approaches to the same application.

The LM34914EVAL board features a selectable operating frequency of 300 kHz or 600kHz instead of the traditional quartz crystal oscillator that uses a controller and driver to select between the two frequencies.

The board is designed to operate in a wide voltage range of 16-60V in either Buck, Boost or Flyback mode. It includes an integrated synchronous rectifier of up to 96% efficiency that reduces power loss and improves the output power performance. The high-performance switching current-mode controller includes two channels: an onboard current-mode PWM controller and a stand-alone current-mode PWM converter.

The board includes an adjustable soft-start for inrush current limitation, allowing the circuit to ramp up the output voltage starting from zero. In addition, a cycle-by-cycle over-current protection feature is provided to prevent over-current stress on the components during output transitions. For further protection, the board offers an adjustable under-voltage lock-out (UVLO) to protect both the converter circuit and load when the input voltage drops below a certain level.

The LM34914EVAL board is an excellent resource for engineers and designers who are looking to design and evaluate their desired application. It is especially useful for those who are developing high-performance, efficient DC/DC and AC/DC conversion circuits, as it provides the tools that are needed to investigate and evaluate the performance of the circuit.

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