Part Number: LM5146
在LM5146反向升降压设计中,芯片本体发热很厉害但是输出电压稳定,Vin=48V,Vout=-38V,我觉得是内部LDO的巨大压差导致的热,想请教下如何设计一个偏置电压给VCC引脚以减小内部压差,图为现有设计,我尝试过直接用8V电源接到VCC引脚但是有异常。

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