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The RT6268 is a high-efficiency, monolithic asynchronous step-down DC/DC converter that can deliver up to 3.7A output current from a 7V to 36V input supply. The RT6268's current mode architecture with internal compensation is optimized for 5V car charger application over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT6268 also provides output over voltage protection output under voltage protection and thermal shutdown protection. The low current (<3μA) shutdown mode provides output disconnect, enabling easy power management in battery-powered systems. The RT6268 is available in a SOP-8 (Exposed Pad) package.
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<div class="spec-list"><ul class="lv1"><li>±1% High Accuracy Feedback Voltage </li><li>7V to 36V Input Voltage Range </li><li>3.7A Peak Output Current </li><li>CC/CV Mode Control </li><li>Adjustable Load Line Compensation </li><li>Short Circuit Protection </li><li>Integrated N-MOSFET Switches </li><li>Current Mode Control </li><li>Fixed Frequency Operation : 100kHz </li><li>Programmable Output Current Limit </li><li>60mΩ Internal Power MOSFET Switch </li><li>Low EMI signature </li><li>Up to 95% Efficiency </li><li>Cycle-by-Cycle Over Current Protection </li><li>Input Under Voltage Lockout </li><li>Output Under Voltage Protection </li><li>Thermal Shutdown Protection </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>USB Power Supplies </li><li>Automotive Cigarette Lighter Adapters </li><li>Power Supply for Linear Chargers </li><li>DC/DC Converters with Current Limited </li></ul></div>
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