LM2734ZEVAL

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The LM2734ZEVAL is an evaluation board, and belongs to the category of evaluation boards for DC/DC and AC/DC (Off-Line) SMPS. Its main purpose is to evaluate the LM2734 – an extreme wide VIN, synchronous buck regulator which is ideal for powering low voltage loads in 4V to 24V system applications from either 4Vto 28V input. To demonstrate the capabilities of this chip, the LM2734ZEVAL evaluation board allows the user to operate various switching points, output voltage programming, and voltage and current measurements. Meeting the demands of the next generation of distributed power supplies, this evaluation board provides a powerful and efficient solution for these applications.

This evaluation board features a single stage Active Clamp Reset Flyback power topology. In a nutshell, Active Clamp Reset Flyback topology is a type of switching power supply in which an inductor is employed to store energy. Active Clamp Reset Flyback topology receives its power from an external power supply. The stored energy in the inductor is transferred to the load in the form of regulated voltage over the duration of the switching cycle. The LM2734ZEVAL board provides a very efficient, easy-to-use, and cost-effective solution for evaluating the LM2734 chip.

The working principle of the LM2734ZEVAL board is simple and straightforward. The board provides a voltage reference device such as a voltage divider, and a MOSFET switch which can be activated by changing the logic level of the driver pin. The LM2734 chip then blocks the voltage coming from the external power supply and reduces it based on the voltage reference set by the voltage divider and the current feedback from the MOSFET switch. This voltage can then be used to power the load.

The LM2734ZEVAL board can be used to evaluate and prototype a variety of designs which require both high efficiency and low cost. These include high voltage direct current (HVDC) systems, uninterruptible power supply (UPS), motor drives, and home automation systems. It is also an ideal solution for evaluating battery powered systems and high power applications. With the LM2734ZEVAL board, a designer can accurately adjust the desired output voltage, monitor the current and voltage of the system, and simulate and demonstrate various circuit topologies and load conditions.

The LM2734ZEVAL board provides a simple and cost-effective solution for evaluating the LM2734 chip. It features a single stage Active Clamp Reset Flyback switching topology and a voltage reference device to ensure precise control. The board, designed to meet the demands of next generation distributed power systems, can be used to evaluate and prototype various system architectures requiring high efficiency and cost-effectiveness. Thanks to its robust design and features, it has become the preferred solution for many application fields.

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