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FAE你好!
现用LM3478设计一个电路,由4V升到48V,出现下面问题,1.电压升不到设定值,2.效率特别低50%,TI仿真显示效率却有93%,有什么好的方法请提供,可以两级升都可以。80%的效率都可以。联系方式:QQ:3137162913 E-mail:zhao_shiwen@qq.com
SW.Z
亲;上传你的原理及PCB图吧。48V输出多大电流?
你好,
4V电池输入,输出48V100mA,见附件!
pcb图
PCB文件上传不了,这个是PCB转成了PDF文件。
亲,你的功率管是啥型号?输出二极管是啥型号?
MOS NCE6075 65A60V 二极管SF3100