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RT6160C 是一款高效率、单电感、采用先进固定导通时间（Advanced Constant On-Time，ACOT<sup>®</sup>）的单晶片同步降压升压转换器，可在 2.2V 至 5.5V 范围内提供最高 3A 的输出电流，并可良好调节 2.025V 至 5.2V 的数位可程式输出电压，无论输入电压低于、高于甚至等于输出电压，皆适用于宽输入电源范围应用。ACOT<sup>®</sup> 控制架构具备出色的线路/负载暂态响应、降压与升压模式之间的无缝转换，并可搭配小型陶瓷输出电容稳定运作，无需复杂的外部补偿。<br /><br />RT6160C 具备 I<sup>2</sup>C 介面，可进行输出电压、超音波模式控制、软启动斜率调整与元件状态监控等可程式设定。目标输出电压亦可透过外部 VSEL 接脚切换，以执行动态电压调整（DVS），且 DVS 的上升斜率与斜率模式也可透过设定相关暂存器进行配置。<br /><br />RT6160C 以自动 PFM 运作，并具备典型值 2μA 的低静态电流设计，可在轻载运作期间维持高效率。在较高负载时，元件会自动切换至 2.2MHz 固定频率控制，可透过小型封装滤波元件轻松平滑开关涟波电压。此外，整合式低 R<sub>DS(ON)</sub> 功率 MOSFET 在重载条件下具备优异效率。在关断模式下，供应电流典型值为 0.1μA，对降低功耗相当出色。若需要固定频率，可停用 PFM 模式。RT6160C 提供小型 WL-CSP-15B 1.4x2.3 (BSC) 封装。
RT6160C 电路图
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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 订购信息
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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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