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LM5021电容容量选择

Other Parts Discussed in Thread: LM5021

LM5021是一款高级PWM控制器可以做反激变换器也可以做正激变换器,它具有超低的启动和工作电流,跨周期工作,打嗝式过流保护,逐周期限流,斜率补偿等功能。在看手册的典型原理图辅助供电是经过芯片内部后才到VCC脚。芯片两脚之间的各有一个电容,这两个电容容量可以随便选择吗?