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tps61087升压到15V没有输出

Other Parts Discussed in Thread: TPS61087

大家好:

     用tps61087 电路图参照数据表里的,输入5V,电感3.3uH,电阻分别为18K,200k,空载测量,输入5V,但是IC没有输出,而且更换反馈电阻大小,芯片很容易short,输入通过电感,然后通过二极管直接输出4.83V,IC反馈端就没有输出,其中EN为高,SS和comp端都是0.6V左右为低,大家有谁做过这款产品的烦请帮忙看一下,谢谢。