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The RTQ2104 is a 3A, high-efficiency, current mode synchronous step-down converter which is optimized for automotive applications. The device operates with input voltage from 3V to 36V and is protected from load dump transients up to 42V which eases input surge protection design. The device can program the output voltage between 0.8V and V<sub>IN</sub>. The peak current mode control with simple internal compensation allows the use of small inductors and results in fast transient response and good loop stability.<br />The ultra-low minimum on-time enables constant-frequency operation even at very high step-down ratios. The built-in spread-spectrum frequency modulation further helps system designers with better EMC management.<br />The RTQ2104 provides complete protection functions such as input under-voltage lockout, output under-voltage protection, over-current protection, and thermal shutdown. Cycle-by-cycle current limit provides protection against shorted outputs, and soft-start eliminates input current surge during start-up. The RTQ2104 is available in a SOP-8 (Exposed Pad) package.
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<div class="spec-list"><ul class="lv1"><li>AEC-Q100 Grade 1 Qualified </li><li>Wide Input Voltage Range <ul class="lv2"> <li></li><li>4V to 36V </li><li>3V to 36V (Soft-start is finished) </li></ul> </li><li>Wide Output Voltage Range : 0.8V to V<sub>IN</sub> </li><li>Maximum Output Current : 3A </li><li>Peak Current Mode Control </li><li>Integrated 80mΩ Switch and 80mΩ Synchronous Rectifier </li><li>Fast 60ns Minimum Switch On-Time </li><li>Ultra-Short 65ns Minimum Switch Off-Time </li><li>Fixed Switching Frequency : 2.1MHz </li><li>Built-In Spread-Spectrum Frequency Modulation for Low EMI </li><li>Power Good Indication </li><li>Enable Control </li><li>0.8V ±1.5% Reference Accuracy </li><li>Adjacent Pin-Short Protection </li><li>Built-In UVLO, OCP, UVP, OTP </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Automotive Systems </li><li>Car Camera Module and Car Cockpit Systems </li><li>Connected Car Systems </li><li>Point of Load Regulator in Distributed Power Systems </li><li>Digital Set-Top Boxes </li><li>Broadband Communications </li></ul></div>
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