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led恒流IC推荐

Other Parts Discussed in Thread: TPS92691

现需一款led恒流IC,dc-dc,buck型,输入电压为22-36,典型输入为26v左右,输出为22-24v之间,ic输出电流为3A以上,pwm调光,通过单片机输出pwm,频率范围50hz-100hz,用于室外交通相机补光,即所谓led频闪灯,可否推荐几款合适的恒流ic,急