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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/753900/lm25088-how-to-interface-an-lvttl-signal-to-enable-the-lm25088-when-used-to-generate-a-negative-voltage
我使用 LM25088将+19V 转换为-12V。
我希望能够控制 LM25088的使能。
但是、由于该器件以-12V 而不是 GND 为基准、因此我不认为3.3V 信号可以直接驱动使能信号。
当用于生成负电压时、如何连接3.3V 信号以启用 LM25088？
该电路如下所示。
