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RT9629B 为高频、三通道同步降压 MOSFET 驱动器,特别设计于驱动六个 N-MOSFET 的应用。此产品可和立锜应用于高密度电源的多相 PWM 降压控制器家族搭配。RT9629B 的输出驱动器可以有效的操作在 300kHz 频率。操作在高频时,必须非常注意散热问题。此 IC 于上桥仅用了一个外部电容和一个二极管,这减少了电路的复杂性,并可使用效能更好、性价比高的 N-MOSFET。RT9629B 会在刚启动时且多相 PWM 控制器控制前,侦测故障状况。因此,输入会被锁定在关闭状态。RT9629B 提供 WQFN-24L 5x5 封装。
可驱动 3 相 PWM 降压控制的 6 个 N-MOSFET
击穿保护
内嵌靴带式二极管
支持高操作频率
快速输出上升时间
Tri-State PWM Input for Output Shutdown
Small 24-Lead WQFN Package
符合 RoHS 标准及不含卤素
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