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TPS7A84可调节运行输出问题

Other Parts Discussed in Thread: TPS7A84

我按附图生产出来的板,没法输出5V电压。

实际量测结果如下:

1、输入5V8电压:6.12V

2、输出5V电压:0.584V

3U17_13电压:1.313V

4U17_3电压:0.145V

5、为了验证芯片焊接,当我将R103R104取消掉,输出是0.8V