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降压型开关电源PCB布局设计与量产工艺要点
建议功率器件周围预留散热过孔阵列,孔径0.3mm间距1mm。 在关键测试点(如Vout、相位补偿节点)预留弹簧针测试孔,孔径1.0mm配合0.5mm定位孔。功率地网络建议设计多个接地点,方便ICT测试夹具制作。 元件间距满足贴片机最小精度要求(通常≥0.2mm),相同封装 ...
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今日热点
Fed holds rates steady
Resumes ground operations
Sentenced for fraud
Lead investigator fired
$524M for Helene recovery
Exits Vancouver Auto Show
Ex-studio engineer charged
In-person identity checks
Propose banning 'tush push'
SEC drops Ripple case
UN climate report
Standoff ends outside HQ
Issues dengue fever warning
Mexico City bullfighting ban
Florida Keys brush fire
MetroCard sales to end
WV couple sentenced
Case transferred to NJ
Files new bankruptcy plan
Confirms marriage to Good
Trump meets oil executives
Found guilty in fraud trial
Jury finds Greenpeace liable
Retires after 29 years
Accuses parent company
Louisiana executes inmate
Sues Trump administration
$175M in funding paused
Suit over firings, takeover
Abduction tracking ends
Zoox recall
Winter weather warnings
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