基于mosfet有源整流器的LLC谐振DC-DC变换器的设计

2022 17th Conference on Ph.D Research in Microelectronics and Electronics (PRIME) Pub Date : 2022-06-12 DOI:10.1109/prime55000.2022.9816808

A. Liotta, G. Frattini, P. Giannelli, E. Bonizzoni, P. Malcovati

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引用次数: 0

摘要

本文提出了一种适用于低压应用的LLC谐振DC-DC变换器。该电路采用标准的180nm BCD工艺设计和仿真，采用基于mosfet的有源整流器，以最小化导通损耗，从而提高重负载下的效率。电路的输入电压为5v(±10%)，输出电压为12v，最大输出功率为2w。晶体管级仿真结果表明，在全输出功率下效率为84%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of an LLC Resonant DC-DC Converter with MOSFET-Based Active Rectifier

This paper presents an LLC resonant DC-DC converter suitable for low voltage applications. The circuit, designed and simulated in a standard 180-nm BCD process, employs a MOSFET-based active rectifier in order to minimize conduction losses, thus increasing the efficiency at heavy load. The circuit operates with an input voltage of 5 V (±10%), an output voltage of 12 V, and provides to the output a maximum power of 2 W. Transistor level simulation results show an efficiency of 84% at full output power.

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2022 17th Conference on Ph.D Research in Microelectronics and Electronics (PRIME)

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