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TPS54302: 设计的24V转5V的DC/DC电路,输入降低到5V的时候,输出是怎样的

Part Number: TPS54302

设计的24V转5V的DC/DC电路, 本来打算输出的5V 再通过dc/dc 用来生成4G模组使用的3.8V

现在总电源输入降到5V以后, 后一级DC/DC的供电会变成怎么样?     如果输入5V,经过TPS54302的5V输出电路 实际输出是多少?

能否提供2A的电流能力?