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看了资料及公式推导，当RON这个电阻定了的话，输出VO也就固定了？？对它工作的时序一直理不清，
当输入电压不变的情况下，要变输出电压只能通过改变RON来改变频率？？
Hi
LED Driver，输出电压是由LED灯来决定的，RON是决定duty on时间，变相决定频率，因为duty在LED决定后将是固定的：
