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DM8168电源问题

Other Parts Discussed in Thread: PTH08T250W, TPS54620, TPS40400

对于DM8168的1V_AVS电源。

看了TI的demo板、论坛中的帖子,发现1V_AVS电都是用BUCK DC-TO-DC CONTROLLER 控制器加外接MOSFET做的供电。

我想把方案做的简单点。

请问能直接用 PTH08T250W或者TPS54620之类的不用外接MOSFET的DCDC来供电吗?