公司设计一款产品中使用到了TI的DCDC电源芯片TPS54383PWPR,根据数据手册设计应用电路如下
发现左边一路5V输出正常,右边一路3.3V输出不正常,实测为3.95V,烧了单片机,FB2脚为芯片参考电压,实测为0.95V,理论上应该为0.8V。后将C62电容,容值改为33uF,输出为3.3V,但是DCDC芯片发烫严重,请问有人遇到过这种情况吗?跪求指导
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