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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1084781/lm5143-q1-frequency-sync-signal-for-inverting-buck-boost-supply
您好，
LM5143-Q1能否接受交流耦合频率同步信号？ 我正在使用此设备设计反向降压升压电源。 我是否需要将换档频率同步信号调平到-Vout？
谢谢，
沙里
大家好，
同步信号应参考控制器的接地端，该接地端对应于 IBB 的-Vout。
此致，
蒂姆
