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RT9629B 為高頻、三通道同步降壓 MOSFET 驅動器,特別設計於驅動六個 N-MOSFET 的應用。此產品可和立錡應用于高密度電源的多相 PWM 降壓控制器家族搭配。RT9629B 的輸出驅動器可以有效的操作在 300kHz 頻率。操作在高頻時,必須非常注意散熱問題。此 IC 於上橋僅用了一個外部電容和一個二極體,這減少了電路的複雜性,並可使用效能更好、性價比高的 N-MOSFET。RT9629B 會在剛啟動時且多相 PWM 控制器控制前,偵測故障狀況。因此,輸入會被鎖定在關閉狀態。RT9629B 提供 WQFN-24L 5x5 封裝。
可驅動 3 相 PWM 降壓控制的 6 個 N-MOSFET
擊穿保護
內嵌靴帶式二極體
支援高操作頻率
快速輸出上升時間
Tri-State PWM Input for Output Shutdown
Small 24-Lead WQFN Package
符合 RoHS 標準及不含鹵素
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