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UCC256404: 芯片启动供电问题

Part Number: UCC256404

在UCC25640X手册中,对UCC256404启动电压描述的是VCC>VCC_startself时芯片启动;而在后文启动时序图中,标注的是VCC>VCC_startswitching;是哪个有误?

另外在实测中发现,高压启动时VCC引脚只能充电至10~11V左右,这是否正常?