我使用Tina-TI仿真电路,仿真TPS54060 43V輸入-5V輸出。
可是所显示的输出都不正确,但是输出+5的电路就可正常动作。
请问原因? 电路图与输出如附件
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给你推荐一个负压的仿真参考电路LM2596 BUCK Converter.tsc
Hi,
1. PWRGD是不是应该接地?
2. 300uH的电感值可能偏大,换其他感值试一试?