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RT8108 系列產品是單相同步 Buck PWM 控制器,設計用於提供高精度、可程式設計的低壓輸出,內部參考電壓為 0.6V 或 0.8V。RT8108 系列產品使用單迴路電壓模式 PWM 控制架構以獲得快速的瞬態回應。因為具有高驅動能力,適合於大電流輸出的應用。它們的固定工作頻率為 200kHz / 300kHz / 500kHz,可以使用小尺寸的電感和電容以節省 PCB 空間和成本。RT8108 系列產品都集成了完善的保護功能,如 OCP、OVP、OTP 和 UVP,採用的封裝為 SOP-8 和 SOP-8(含外露式散熱焊盤)。
RT8108 電路圖
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<div class="spec-list"><ul class="lv1"><li>5V~12V 的單工作電壓 </li><li>驅動2只 MOSFET </li><li>電壓模式 PWM 控制器,使用外部回授迴路補償 </li><li>MOSFET R<sub>DS(ON)</sub> 電流檢測方式實現過流保護 </li><li>有獨立開/關控制端 </li><li>0~90% 的責任週期 </li><li>快速瞬態回應 </li><li>符合 RoHS 規範,不含鹵素 </li></ul></div>
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RT8108 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>PC 主機板和臺式伺服器 </li><li>圖形卡 </li><li>開關電源 </li><li>通用 DC/DC 轉換器 </li></ul></div>
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