您好。如下图,LM3150待机功耗小则动压范围差,12V~20V输入时空载输出电压相差0.28V左右;按TI推荐电路修改后,动压范围好一点则待机功耗大,待机功耗约1.2W。谢谢
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Hi
如果上述测试没有问题,按照正常电路测试空载功耗偏大应该是正常的。