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求推荐LED调光芯片

Other Parts Discussed in Thread: TPS54200, TPS54201, LM3401, LM3404

系统输入电压12V或24V;

LED电压9V左右,需要最大电流700mA;

要支持PWM调光;

电路体积尽可能小,目前是板子尺寸是48mm;

是否有合适的方案推荐呢,各位TI老师们