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LM3421: boost输出振荡,Rsense上电压启动和关断时候振荡

Part Number: LM3421

设计规格:输入电压12V,输出36V/1.1A和48V/1.1A,原理图见附件。boost输出振荡,Rsense上电压启动和关断时候振荡,LED上电流很大,超过设计电流好多倍。请教下有可能是哪里问题

GR-X5-V1_0.pdf