最近公司接一客户定单,要求输入电压127V,功率不小于55W,17MM管径的4U,普通半桥低功率因素电路,请问有做过的朋友给个方案?另外按如下原理图做能可以吗?要实际做到55W,17MM管径的4U用多长的灯管比较合适?保险丝用几A的比较合适?做此灯要注意什么问题?敬请回复!!
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