LM5010输入25V,输入限流100mA, 按官网设计参数装好电路, 加电后输入电压拉到7V,电流超过100mA,未接负载,请教是怎么回事?
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LM5010输入25V,输入限流100mA, 按官网设计参数装好电路, 加电后输入电压拉到7V,电流超过100mA,未接负载,请教是怎么回事?
Hi
要看你带多大负载? 效率以及其导致的最大输入峰值电流是多大?
如果是未接负载,看一下芯片是否损坏(或者是芯片是假片, 此时芯片都可能会发热的)? 以及是否有电容接反的情况?