PI3302-20-EVAL1

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PI3302-20-EVAL1 is an evaluation board primarily designed for DC/DC and AC/DC off-line switching mode power supplies. It provides a fast and reliable way to test the performance of PI3302-20, an enhanced low-cost high-performance integrated circuit (IC) for off-line switch mode power supplies. The evaluation board is capable of operating at a frequency range of 100kHz to 1MHz, allowing users to explore the limits of the IC\'s performance while providing better efficiency.

The evaluation board contains two PI3302-20 chips, providing enhanced protection and high-efficiency. It also contains a Zener diode for overvoltage protection. It has a large heat sink for improved thermal performance and an input voltage range up to 350V. It also has an operational temperature range of -40°C to +85°C, making it suitable for applications in diverse weather conditions.

The DC/DC and AC/DC off-line switching mode power supply on the evaluation board is composed of an integrated power supply, an inductor, an output filter network, a rectifier bridge, and a feedback control loop. The integrated power supply IC is designed to achieve high-efficiency operation while providing a wide input voltage range and maintaining low output ripple. The inductor is used to store and transfer energy during the switching process. The output filter network is a parallel RLC filter which smoothens out the output voltage ripple by reducing high-frequency switching noise. The rectifier bridge rectifies the AC current and supplies the DC current to the output filter network.

The feedback control loop is the heart of the power supply circuit. It monitors and maintains the output voltage level fed back to the IC, which then performs control operations such as switching frequency, output current limiting, over-voltage protection, etc. The PI3302-20 IC also provides protection against current overload, short circuit, and thermal stress, which is necessary to ensure the reliability and durability of the power supply.

Overall, the PI3302-20-EVAL 1 Evaluation Board is an excellent choice for anyone interested in testing the performance of the PI3302-20 IC. The board is designed for optimal performance and reliability, allowing users to explore the limits of the IC while still providing improved efficiency and protection.

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