电源故障保护布板技术

摘要：本应用笔记讨论如何修改PCB布局的两个第二级GR-1089/UL60950情形之一：保险丝迅速打开，或保险丝不开放。添加一个热平面的一个技术不应该被分派到更换保险丝的情况下消散热量。

Maxim>Designsupport>Appnotes>CommunicationsCircuits>APP405Maxim>Designsupport>Appnotes>T/ECarrierandPacketized>APP405Keywords:UL60950,GR-1089,fuse,PCBlayout,powerfaultprotection,powerfault,protectionlayoutJun06,2003APPLICATIONNOTE405Power-FaultProtectionLayoutAbstract:ThisapplicationnotediscusseshowtomodifythePCBlayoutforeitheroftwoscenariosforsecondlevelGR-1089/UL60950:fuseopensquickly,orfusedoesn'topenatall.Athermalplaneisaddedtodissipateheatforthecasewhereatechnicalshouldnotbedispatchedtoreplaceafuse.IntroductionAfterequipmentonthenetworkinterfaceexperienc