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用 TPS650061为AM1808供电，不焊接AM1808电压正常，电路焊上AM1808,1,8V升到2.7v左右，其他 电压正常，请问这是什么问题？电路是参考tps650061手册的典型电路，Vin为5V，AM1808以前单独供电都正常，换用TPS650061就这样了！
TPS650061电路增加负载后（比如增加负载电阻），电压是不是还稳定在1.8V？
