UCC3809EVM

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The UCC3809EVM evaluation board enables customers to quickly evaluate Texas Instruments’ UCC3809 dual-frequency resonant controller for offline high-voltage AC/DC power supplies and dc/dc converters. The evaluation module includes a current sense amplifier, a load switch for power savings, an RC snubber to suppress ringing, an optocoupler signal link, and a buffered-18 V peak output signal for measuring the gate driver frequency.

The UCC3809EVM evaluation board is a comprehensive solution for fast evaluation of Texas Instruments’ UCC3809 dual-frequency resonant controller. It consists of a resonant topology based on the UCC3809, a power-saving load switch, a current sense amplifier, a RC snubber circuit to suppress ringing, an optocoupler signal link, and a buffered signal output for measuring the gate driver frequency.

The UCC3809 is a high-performance, low-noise resonant controller providing excellent power efficiency for offline AC/DC power supplies and dc/dc converters. Its ability to switch between fixed-frequency and Spread Spectrum Mode control provides precise frequency control with noise immunity throughout the operating range, while its adjustable jumper enables the user to fine-tune the frequency based on the application.

The UCC3809EVM evaluation board is designed to provide designers with a simple, easy-to-use platform to quickly evaluate the features and performance of Texas Instruments’ UCC3809 dual-frequency resonant controller. The board includes a wide variety of external components that enable the user to customize it for the target application, such as the snubber circuit for inrush current control. Additionally, the board also includes a current sense amplifier, which is used to measure the load current that is delivered to the output load, allowing for precise control.

The UCC3809EVM also includes a load switch for power savings, allowing designers to minimize power consumption during periods of inactivity. Additionally, the evaluation board features a buffered-18V peak output signal for measuring the gate driver frequency. This signal can be used to quickly and accurately determine the operating frequency of the UCC3809 IC, allowing designers to optimize the overall performance of their design.

The UCC3809 evaluation board is a comprehensive solution for evaluating Texas Instruments’ UCC3809 dual-frequency resonant controller in offline AC/DC power supplies and dc/dc converters. Its various external components enable the user to customize the evaluation board to their specific application, while its current sense amplifier, load switch, and buffered signal output provide accurate control and measurement of the resonant controller\'s performance.

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