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请求推荐直流40V左右输入电压 32V \2A输出的驱动芯片,要求能PWM调光。谢谢,本身芯片成本不超过20元人民币即可。

Other Parts Discussed in Thread: LM3409, LM3409HV

用的是10串5并的那种封装的LED芯片。现在搞了一种方案光有些抖动!