LLC design notes电子电路详解.pdfVIP

ponents like Transformer, Resonant circuit components and Due to higher efficiency, lower electromagnetic interference and Control circuit components. AC-DC Converter is developed utilization of parasitic inductance and capacitance of power stage without put ratings of 18v \4.0A with PFC front end. Resonant components, Resonant Converter topologies are popular in re- DC-DC Power stage achieved efficiency higher than 92%. Test search with small real world applications. In this paper, we will discuss LCL resonant topology for 70w notebook adapter application with power correction. It uses High-voltage resonant mode controller IC, which can achieve 90% efficiency and is smaller in size. Step by step design pro- cedure for Transformer, resonant tank circuit and controller cir- cuit with experimental results will be discussed. This is to help design engineers implement their concepts in real applications with ease, to optimize cost and achieve good performance. It will also discuss ways to extend this topology to power sup- plies for CTV and MONITOR applications. The most popular Load Resonant converters are the Series Reso- nant, Parallel Resonant and Series-Parallel Resonant convert- ers. Series Resonant Converter is the simplest and most under- Figure 1: LCL Series Resonant Converter stood topology with higher part load efficiency. It has a voltage regulation problem at light loads, and requires wi