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UCC24630EVM-636: lm5023無法啟動問題

Part Number: UCC24630EVM-636
Other Parts Discussed in Thread: UCC24630, LM5023, LM8364

我仿照了ucc24630的evm線路與layout製作了一套pcb,但是在製成成品後vbulk有158.7v, lm5023卻無法啟動,vcc端量不到電壓輸入,是否有先進能提供協助嗎?