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我要设计一个LED电源，变压器用多大的好呀？需注意哪些呢？
你好：
如果可以话，请说明使用哪个IC，多大的功率的LED电源等相关信息。谢谢。
要看你功率多大，具体参数要求，主要是变压器的电感值和对漏感的要求，才能考虑变压器的线径和绕法。
