LM21305EVM/NOPB

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LM21305EVM/NOPB, often abbreviated to LM21305, is an evaluation board for DC/DC & AC/DC (Off-Line) SMPS. It combines an internal power supply with an externally configurable power source to provide an easy-to-use solution for evaluating DC/DC and AC/DC applications.

The LM21305 EVM/NOPB is a complete solution for driving and controlling a load up to 1A, providing a wide output voltage range from 4V to 16V. It is capable of switching up to 15A and has protection features such as over-current, over-voltage and thermal shutdown. Its integrated power stage offers excellent efficiency, protection and thermal performance.

The integrated circuit (IC) employed in the EVM is a high-speed, high-current, phase-shift full bridge controller IC, the LM21305. This IC utilizes proprietary charge balanced PWM (CPWM) technology to reduce the switching losses thus increasing system efficiency. It also features a cycle-by-cycle current limit with Thermally Enhanced Overload and Overvoltage protection. In addition, the IC has adjustable Soft start and Pull-up start up features to offer smooth start-up.

The LM21305 provides a wide range of configurable features including programmable switching frequencies up to 1MHz, integrating dead time, programmable peak current limit, PFC (Power Factor Correction) , phase-shift PWM, and adjustable soft start. This makes it a versatile solution for switching dc to dc, ac to dc, step down, and isolated buck-boost applications.

The EVM/NOPB also provides an analog control input for controlling the output voltage, as well as a low-noise differential amplifier for monitoring the output voltage. The board contains all the necessary components to form a complete power solution for different types of applications, such as automotive, industrial, medical and consumer applications.

The EVM/NOPB also incorporates an easy to use graphical user interface (GUI) software that allows the user to quickly and easily configure all the parameters without any programming knowledge. This allows the user to quickly evaluate the performance of the IC in their particular application.

In conclusion, the LM21305EVM/NOPB is a comprehensive, easy to use, and efficient evaluation board specifically designed for DC/DC & AC/DC (Off-Line) SMPS applications. With its integrated power stage, comprehensive feature set, and user-friendly GUI, the LM21305EVM/NOPB provides a great platform for quickly and conveniently evaluating applications.

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