This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
求指点，谁用过。
比较老的料，现在不主推了。建议用新料，你把规格提供下，让我们给你选。
输入12V，输出负24V。能有300MA电流。价格便宜点的芯片。
