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@Johnsin Tao你好,TPS40211实际使用咨询,空载时输出电压正常,带LED后电压电流达不到设定值

Other Parts Discussed in Thread: TPS40211

你好,TPS40211完全按照这个原理图设计,设定是输入电压36V,输出电压45V3A,空载时测量输出电压确实45V,但接负载LED(电压40V 电流3A)后测量输出电压为36V左右,接近输入电压,LED的电流1.2A左右,有没有遇到类似情况,请问是什么原因呢?