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UCC27211使用问题

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Other Parts Discussed in Thread: UCC27211

UCC27211驱动一个同步BUCK-BOOST电路的MOS,高端的MOS空载时能不能正常工作?好像不行?

UCC27211的高端驱动能不能改成低端?由于电路板已经做好了,设计的时候没有要求空载运行,现在要求空载运行,高端MOS有没有办法能在空载时正常工作?

附上BUCK-BOOST的原理图

高端MOS和低端MOS不同时工作,当其中一组工作时,另一组保持导通或关断。