最近使用LM25088方案做负电压输出,需要控制芯片使能输出,除了控制输入电压开关,不知道有没有控制使能脚的方式控制输出?
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用两个三极管做level shifter:第二个三极管CE接在EN pin和GND pin之间,第一个三极管接控制信号。
到TI官网,下载这个AN,SLVA540,里面有你要的电路