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TPS5430: TPS5430生成-12V

Part Number: TPS5430
Other Parts Discussed in Thread: TPS54360

Hello,

我们又24V通过TPS5430产生-12V@0.5A,

请问1.这个可以直接用TI网上的WEBENCH来算出相关的参数吗?

2.这个时侯ENA这个pin如果是外面的MCU来控制,这个电压应该是多少,是基于-12V的?

3.datasheet里说ENA如果外面来控制,要接OC或OD门,请问直接24V经过2个电阻分压可以吗,

或者MCU的gpio来控制,不是OC门有什么影响?

谢谢!