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The RT8110 is a fixed-frequency PWM controller with integrated MOSFET drivers for single power rail synchronous single-phase buck converter. This part features an internal regulator that allows wide input voltage range operation. The RT8110 utilizes voltage-mode control with internal compensation to simplify the converter design. An internal 0.8V reference voltage allows low output voltage application. The switching frequency is fixed at 600kHz to reduce the external passive component size to save board space. The RT8110 provides under voltage protection, current limit, over current protection and over temperature protection. The low-side MOSFET R<sub>DS(ON)</sub> is used to sense the inductor current for over current protection.
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<div class="spec-list"><ul class="lv1"><li>10V to 23V Wide Input Voltage Range </li><li>0.8V Internal Reference </li><li>Internal Soft Start </li><li>High DC Gain Voltage Mode PWM Control </li><li>Fixed 600kHz Switching Frequency </li><li>Fast Transient Response </li><li>Fully Dynamic 0 to 80% Duty Cycle </li><li>Over Current Protection </li><li>Under Voltage Protection </li><li>Over Temperature Protection </li><li>RoHS Compliant and 100% Lead (Pb)-Free </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Set-top Box Power Supplies </li><li>PC Subsystem Power Supplies </li><li>Cable Modems, DSL Modems </li><li>DSP and Core Communication Processor Power Supplies </li><li>Memory Power Supplies </li><li>Personal Computer Peripherals </li><li>Industrial Power Supplies </li><li>Low Voltage Distributed Power Supplies </li></ul></div>
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