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TLV62130 转负压输出,输出电压异常

Other Parts Discussed in Thread: TLV62130

Hi TI:

    采用TLV62130做-4.3V电压输出应用,但实际输出只有-1.2V,请帮忙看一下电路设计是否有误?

    IC的thermal pad是要接在系统GND,还是IC的AGND? 现在接在系统GND。电路图如下: