UCC3580EVM

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The UCC3580EVM is an evaluation module designed to evaluate and demonstrate the functionality of the UCC3580, which is an offline switcher with multiple burst mode control schemes. This evaluation module can be used for various applications, such as DC-DC converters, AC-DC power supplies, offline switch-mode power supplies, offline battery chargers, and even LED drivers. This evaluation module provides the flexibility to switch between multiple control methods, which makes it ideal for evaluating different designs on a single platform. Furthermore, the UCC3580EVM includes a wide range of features, such as operating frequency adjustment, adjustable soft start times, and programmable loadline tracking.

The UCC3580EVM is designed to evaluate and demonstrate the UCC3580 in an offline switcher application. The UCC3580 is a universal off-line switcher with multiple control schemes, including constant frequency peak current mode (PCM) and burst mode control schemes. The UCC3580 is also capable of operating in a wide input voltage range from 5V to 500V, making it suitable for applications in various industrial, consumer, and automotive products. The UCC3580 requires the use of an external MOSFET, which is mounted on the EVM to provide both voltage and current sensing. The EVM supports both single-ended and bipolar operation, allowing it to be used for DC-DC converter and AC-DC power supply applications.

The UCC3580EVM works by providing the user with the flexibility to select the burst mode control scheme or PCM mode with which the power device will be driven. This is achieved via the use of two select pins (M0 and M1) located on the EVM. Setting both to logic low (0V) will enable the constant frequency peak current mode control. Setting M0 to logic high (5V) will enable the burst mode control scheme. The operating frequency of the UCC3580EVM can be adjusted by rotating the FREQ dial located on the EVM, allowing the user to tune the power device to his desired operating frequency. Furthermore, the softstart time of the module can also be adjusted by adjusting the PWR_ON time. The output voltage of the module can also be adjusted using the LOADLINE dial, allowing the user to further tune the output voltage of the EVM.

The UCC3580EVM also includes over-temperature protection, monitoring temperature of the board. If temperature rises beyond the preset value, the board thermally shuts down. To facilitate easier evaluation, the board includes test pads and LEDs to indicate the status of various signals, such as power-on, under-voltage lock out, and over-voltage protection. These features make the UCC3580EVM a perfect evaluation board for developers and designers looking to evaluate and demonstrate the most optimal control scheme and parameters for their project.

In conclusion, the UCC3580EVM is a sophisticated evaluation module offering unrivaled flexibility in providing different control methods for offline switcher applications. It is designed to provide the user with control flexibility, allowing for maximum optimization of the power device’s performance. Furthermore, the evaluation module also provides the user with a wide range of features, such as operating frequency adjustment, adjustable softstart times, and programmable loadline tracking, making it an ideal platform for evaluating different designs quickly and accurately.

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