LM2734X EVAL

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The LM2734X is an evaluation board used in DC/DC and AC/DC switching power supplies (SMPS) applications. This is a simple to use and highly efficient offline flyback controller for a wide variety of applications, ranging from consumer to industrial use.

The board features a synchronously rectified, quasi-resonant flyback converter with a variety of inrush current protection options, including input over voltage protection, input under voltage protection, over-temperature protection, and negative active cycle-by-cycle current limiting. The board also features the ability to enable burst mode operation for increased efficiency, allowing the SMPS to enter a low-power light-load mode.

The LM2734X\'s primary control function is its DCM (Discontinuous Conduction Mode) control loop. This section of the SMPS that accounts for the majority of the efficiency gains found on this particular type of power supply. DCM is a unique form of pulse width modulation (PWM) control that has been specifically engineered to optimize efficiency over a wide range of load types. By incorporating this technology, LM2734X affords the user greater efficiency in many basic power supplies while also allowing for potential future application-specific requirements.

The LM2734X also includes several other important features to enhance its interface. There are boundary scan controls for system delays, temperature monitoring, and soft-start control for dynamic load regulation. There are also input/output levels that can be programmed to improve emission performance, while auto-recovery internal bond-disconnects (BOND) allow for faster over-voltage protection recovery. In addition, the LM2734X features input/output remote sensing for enhanced current control, and adjustable loop compensation allowing for faster transient response.

The flexibility and functionality of the LM2734X makes it an ideal choice for a wide range of needs. For applications such as LED lighting, it can be used to enhance overall efficiency while still providing excellent quality lighting. In industrial applications, the LM2734X can also be used to reduce energy losses while allowing for more stringent system-level control.

Overall, the LM2734X Eval application board is an efficient way to begin working with a variety of DC/DC and AC/DC switching power supplies. The board incorporates many features that allow for advanced control and improved system performance, and the ability to enable burst mode operation allows for increased efficiency at light load levels. This makes the board an excellent choice for a wide range of applications that require reliable and efficient performance.

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