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TPS65261: 采用官方参考值但输出电压差异很大

Part Number: TPS65261


这是我的原理图和PCB设计(四层板):

采用是官方给的值,但是输出电压都不对,3.3V一路通过调节电阻(跟参考值差别很大)才调到正常,其他两路调节电阻变化不大。希望论坛的朋友们可以给一些意见。