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TPS76933震荡~

Other Parts Discussed in Thread: TLV1117

TPS76933按照DATASHEET上的典型电路设计的,1uF的Ci和4.7uF的Co,包括ESR也匹配.

可是上电后,输出电压在0.1~0.9之间不停的震荡...这是怎么回事...

输入电压是USB的5V,同时接给了TPS76933和TLV1117-3.3,是不是因为TLV1117-3.3的原因?