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求一款模拟调光LED恒流驱动芯片

Other Parts Discussed in Thread: LM3414

用于驱动3w的led灯,可以通过外部输入的电压控制信号来控制芯片电流的输出与截止,能够满足10kHz的LED开关频率,输出电流的波动小于5%。