按你这边逻辑模块截图这个确实是受控的,但是请看一下规格书的第14页,有如下明确描述,并且时序图也是现实不受控的:
输入12V DC输入,1.5V电压输出,应用TPS53353这颗DCDC,基本和Datasheet上的参考设计一致,但是目前电源无输出,LDO的5V输出正常。具体原理图如下所示,求高手指点!
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输入12V DC输入,1.5V电压输出,应用TPS53353这颗DCDC,基本和Datasheet上的参考设计一致,但是目前电源无输出,LDO的5V输出正常。具体原理图如下所示,求高手指点!