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RT6160C 是一款高效率、單電感、採用先進固定導通時間（Advanced Constant On-Time，ACOT<sup>®</sup>）的單晶片同步降壓升壓轉換器，可在 2.2V 至 5.5V 範圍內提供最高 3A 的輸出電流，並可良好調節 2.025V 至 5.2V 的數位可程式輸出電壓，無論輸入電壓低於、高於甚至等於輸出電壓，皆適用於寬輸入電源範圍應用。ACOT<sup>®</sup> 控制架構具備出色的線路/負載暫態響應、降壓與升壓模式之間的無縫轉換，並可搭配小型陶瓷輸出電容穩定運作，無需複雜的外部補償。<br /><br />RT6160C 具備 I<sup>2</sup>C 介面，可進行輸出電壓、超音波模式控制、軟啟動斜率調整與元件狀態監控等可程式設定。目標輸出電壓亦可透過外部 VSEL 接腳切換，以執行動態電壓調整（DVS），且 DVS 的上升斜率與斜率模式也可透過設定相關暫存器進行配置。<br /><br />RT6160C 以自動 PFM 運作，並具備典型值 2μA 的低靜態電流設計，可在輕載運作期間維持高效率。在較高負載時，元件會自動切換至 2.2MHz 固定頻率控制，可透過小型封裝濾波元件輕鬆平滑開關漣波電壓。此外，整合式低 R<sub>DS(ON)</sub> 功率 MOSFET 在重載條件下具備優異效率。在關斷模式下，供應電流典型值為 0.1μA，對降低功耗相當出色。若需要固定頻率，可停用 PFM 模式。RT6160C 提供小型 WL-CSP-15B 1.4x2.3 (BSC) 封裝。
RT6160C 電路圖
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<div class="spec-list"><ul class="lv1"><li>Flexible Power Supply Range <ul class="lv2"> <li></li><li>PVDD from 4.5V to 26.4V </li><li>DVDD and I/O, 1.8V or 3.3V </li></ul> </li><li>Support Wide Range Audio Format <ul class="lv2"> <li></li><li>Bit Resolution up to 32 Bits </li><li>Support TDM (Time-Division Multiplexing) up to 32 Bits </li><li>Sampling Frequency from 8kHz to 192kHz </li></ul> </li><li>Excellent Audio Performance <ul class="lv2"> <li></li><li>2x30W into 8Ω BTL at 24V </li><li>SNR ≥ 110dB </li><li>Efficiency ≥ 94% </li></ul> </li><li>Built-In Programmable DSP (Digital Signal Processor) Function <ul class="lv2"> <li></li><li>40 Programmable Biquads for Speaker Equalization </li><li>Programmable Coefficients for DRC Filters and Supporting Multi-Compression Ratios </li><li>Programmable 256-Tap FIR </li></ul> </li><li>Excellent Self-Protection <ul class="lv2"> <li></li><li>UVLO, OVP, OCP, Thermal Foldback, OTP, and DCP </li><li>Built-In DC Blocking Filters </li></ul> </li><li>Filter-Less Application </li><li>HiFi-3 DSP Process, 160kB SRAM </li><li>Adjustable PWM Frequency up to 1.5MHz </li><li>VQFN-48L Thermally Enhanced Package </li></ul></div>
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RT6160C 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>LCD-TVs </li><li>Monitors </li><li>Home Audio </li><li>Amusement Equipment </li><li>Electronic Music Equipment </li></ul></div>
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