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tps563200输出电压带载后波动巨大,怎样处理?内有波形图。

Other Parts Discussed in Thread: TPS563200, LM2596

tps563200输入9v,输出4.1v,原理图如下:

tps563200带载波形为:

LM2596带载波形做对比:

不想用LM2596的原因是因为其功耗大,封装大。

真心想调好TPS563200,按说带载能力两个都是3A,但是波动实在相差很大。

希望给予指导与建议,谢谢!!