Part Number: TPSM81299
TPSM81299VCMR这个dcdc模块空载时输出电压5v正确,带载10Ω,输出电压只有0.5v。但是先空载输出电压5v,上电后再接上10Ω负载,输出电压5v正常没有被拉低。芯片工作正常。帮我分析可能原因。首先avin与pvin绑定接到输入电源,en使能已经拉高。供电采用的是线性稳压电源供电AVIN与PVIN
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