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tps92200 模拟调光驱动问题

Other Parts Discussed in Thread: TPS92200, TPL1401

HI :

成像补光灯项目,因为曝光时间≥125us,只能选模拟调才没有闪烁。 计划用TPL1401-->MUX1219-->tps92200。TPL1401内部有BUFF可以直接驱92200,如果在中间加一个模拟开关MUX1219 是否可以?还是需要在MUX1219后加opa、buff再驱动92200?