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UCC28950: 控制器配置为SLAVE模式时驱动脉冲异常。

Part Number: UCC28950


采用UCC28950作为移相全桥控制器,并配置为SLAVE模式。SYNC_IN频率为40000Hz时,4路PWM信号正常;当SYNC_IN频率降低到20000Hz以下时,驱动脉冲异常。