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TPS54240: 请教TI工程师,TPS54240这类BUCK电路内部的高侧MOSFET的开关断到底是芯片内部的驱动PWM驱动控制的,还是其boot和ph引脚上的电容充放电控制的?看其datasheet也没有具体说清楚,TI有相关的介绍文档不?

Part Number: TPS54240

如题所示,谢谢!