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The RT5711D is a high efficiency synchronous step-down DC-DC converter. Its input voltage range is from 2.5V to 6V and provides an adjustable regulated output voltage from 0.6V to 3.4V while delivering up to 1.5A of output current. </p>The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The Current Mode Constant-On-time (CMCOT) operation with internal compensation allows the transient response to be optimized over a wide range of loads and output capacitors.</p>
RT5711D Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Efficiency Up to 95% </li><li>R<sub>DSON</sub> 160mΩ HS / 110mΩ LS </li><li>V<sub>IN</sub> Range 2.5V to 6V </li><li>V<sub>REF</sub> 0.6V with ±2% Accuracy </li><li>CMCOT<sup>TM</sup> Control Loop Design for Best Transient Response, Robust Loop Stability with Low-ESR (MLCC) C<sub>OUT</sub> </li><li>Fixed Soft-Start 1.2ms </li><li>Cycle-by-Cycle Over Current Protection </li><li>Input Under Voltage Lockout </li><li>Output Under Voltage Protection (UVP Hiccup) </li><li>Thermal Shutdown Protection </li></ul></div>
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RT5711D Ordering Information
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<div class="spec-list"><ul class="lv1"><li>STB, Cable Modem, & xDSL Platforms </li><li>LCD TV Power Supply & Metering Platforms </li><li>General Purpose Point of Load (POL) </li></ul></div>
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