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RT9614A是雙輸出的同步整流Buck轉換器N-MOSFET驅動器,同時集成了代替外加自舉二極體的功率開關,容許使用高性能MOSFET。RT9614A可以高工作頻率和很低的功率消耗驅動上下橋MOSFET開關,其工作電壓範圍與30V擊穿電壓的MOSFET相適應,具有應用的靈活性和擴展性。RT9614A適合的VCC電壓範圍是4.5V~13.2V,上下橋驅動信號延遲時間約30ns,下橋驅動器下拉電阻約1.1Ω,可驅動極電容達 3nF的MOSFET開關以高達1MHz的頻率工作,可應用於輸入電壓變化範圍大、大電流、單相或多相DC/DC應用中為CPU內核、VGA內核供電。
可避免上下橋直接貫通
內建自舉開關
工作頻率高達500kHz
上升、下降時間短
三態PWM輸入
使能控制
預過壓保護
8引腳WDFN封裝
符合RoHS規範,不含鹵素
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