B384F120T30-EB

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Introduction

The B384F120T30-EB is an evaluation board and is part of the DC/DC & AC/DC (off-line) SMPS range. This range of evaluation boards allows users to make most of the necessary steps to evaluate a board quickly and with little effort. It is an Advanced Low Power AC-DC Evaluation Board with a PFC, LLC and a DBD controller for the B384F120T30-4C controller IC range. It is an excellent choice for engineers who prefer to test the performance of AC/DC power modules in real time.

Applications

B384F120T30-EB evaluation boards are versatile and can be used in many applications. Common applications they can be used for include building automation, LED lighting, consumer electronics, audio equipment, and industrial applications. The board features high-performance topologies such as power factor correction (PFC) and resonant mode operation (LLC) to enable high-efficiency designs. Furthermore, it is also fully compliant with high isolation and safety standards.

Working Principle

The B384F120T30-EB evaluation board consists of four major components: the input EMI filter, the PFC stage filter, the LLC stage filter, and the DBD stage filter. Together, these components form a single-stage AC-DC power conversion system. The overall system is capable of providing up to 120 W of power output at an input voltage range of 100 VAC to 265 VAC.

The EMI filter is responsible for suppressing common-mode and differential-mode EMI noise on the input line while allowing AC power to reach the PFC stage. On the PFC stage, the board features synchronous rectification technology in the form of an insulated gate bipolar transistor (IGBT) and ultrafast diodes to achieve power factor correction. This ensures that no current is back-fed into the utility supply, lowering power consumption and improving efficiency.

The LLC stage is capable of achieving power conversion efficiencies of up to 96%. It uses a resonant operating topology to reduce switching losses and allow for low feature operation. Lastly, the DBD stage consists of a planar transformer and an insulated gate bipolar transistor (IGBT) to provide a high-frequency regulated output voltage. This stage is also responsible for reducing noise and achieving high isolation levels.

Conclusion

In conclusion, the B384F120T30-EB evaluation board is an excellent choice for those looking to evaluate the performance of AC/DC power modules. As it is part of the DC/DC & AC/DC (off-line) SMPS range, it is capable of providing high efficiency and low power consumption. It features high-performance topologies such as power factor correction and resonant mode operation, ensuring compliance with safety and isolation standards. The board is versatile and can be used in many applications, making it suitable for a wide range of projects.

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