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关于TPS43061升压电路带负载能力不够

Other Parts Discussed in Thread: TPS43061

TI的技术,你好,现在我正在调试TPS43061升压电路,+24V输入,+48V输出,按照设计输出电流3.125A。但是现在遇到的问题是输出功率最大为30W左右,开关频率770K,外围MOS选用BSC123N08NS3G,输出电感选用IHLP6767GZER3R3M11(3.3uH@27A);我试过带100W负载,输出电压会抬升到63V左右,不清楚为什么,调试期间也烧过1块片子,我想请问一下输出功率上不去,是因为什么原因导致的?