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RTQ2813A 是一款高性能同步降压转换器，可在 3.5V 至 17V 的宽输入供电电压范围内提供高达 12A 的输出电流。此器件集成低 R<sub>DSON</sub> 功率 MOSFET、在完整工作结温范围内精准的 0.9V ± 1% 参考电压，以及用于自举电路的集成式二极管，可提供非常紧凑的解决方案。RTQ2813A 采用高级固定导通时间 (ACOT<sup>®</sup>) 控制架构，可提供优异的瞬态性能，并减少外部元件数量。在稳态下，ACOT<sup>®</sup> 可在不同输入电压、负载与输出电压范围内以接近固定的开关频率运行，使 EMI 滤波器设计更加容易。此器件提供多种功能，可提升设计灵活性。可选择的开关频率、电流限制电平与 PWM 运行模式，使 RTQ2813A 易于用于广泛应用。亦提供独立启用控制输入引脚与电源良好指示器，以简化时序控制。此器件可通过连接至 SS/TR 引脚的外部电容实现可编程软启动时间，以控制启动期间的浪涌电流。RTQ2813A 提供完整保护功能，包括输入欠压锁定、输出欠压保护、输出过压保护、过电流保护与热关断。RTQ2813A 采用具散热增强的 WQFN-21TL 3x4 (FC) 封装。建议结温范围为 −40°C 至 150°C。
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<li class="mv5"> Wide Input Voltage Range<br /> - 2.7V to 17V with External 3.3V VCC Bias <br /> - 3.5V to 17V with Internal VCC Bias<br /> </li><li class="mv5"> Output Voltage from 0.9V to 5.5V<br /> </li><li class="mv5"> 0.9V ± 0.5% Voltage Reference from 0°C to 70°C Junction Temperature Range<br /> </li><li class="mv5"> 0.9V ± 1% Voltage Reference from -40°C to 150°C Junction Temperature Range<br /> </li><li class="mv5"> ACOT<sup>®</sup> Control for Excellent Transient Performance<br /> </li><li class="mv5"> Stable with Ceramic Output Capacitors<br /> </li><li class="mv5"> Selectable FCCM or PSM Operation at Light Load<br /> </li><li class="mv5"> Selectable Operation Switching Frequency (600KHz/800KHz/1MHz)<br /> </li><li class="mv5"> Non-Latch for OCP, UVP, UVLO, and OTP Faults. Latch-Off for OVP<br /> </li><li class="mv5"> Differential Remote Sense Voltage for High Output Accuracy<br /> </li><li class="mv5"> Power-Good Indicator<br /> </li><li class="mv5"> Enable Control<br /> </li><li class="mv5"> Programmable Soft-Start Time with a Default of 1.5ms<br /> </li><li class="mv5"> Programmable Valley Current Limit Level <br /> </li><li class="mv5"> Monotonic Start-Up into Pre-Biased Outputs<br /> </li><li class="mv5"> Output Voltage Tracking <br /> </li><li class="mv5"> Small 21T-Lead WQFN (3x4) (FC) Package</li>
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<li class="mv5"> Servers, Storage, and Network Equipment<br /> </li><li class="mv5"> Telecom Infrastructure<br /> </li><li class="mv5"> Point of Load (POL) Power Modules<br /> </li><li class="mv5"> High Density DC-DC Converters</li>
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