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The RTQ2102 is a 1.5A, high-efficiency, Advanced Constant-On-Time (ACOT<sup>®</sup>) synchronous step-down converter. The device operates with input voltages from 3V to 6V. The device can program the output voltage between 0.45V to VIN. The low quiescent current design with the integrated low R<sub>DS(ON)</sub> power MOSFETs achieves high efficiency over the wide load range. The advanced COT operation allows transient responses to be optimized over a wide range of loads, and output capacitors to efficiently reduce external component count. The RTQ2102 provides up to 2.7MHz switching frequency to minimize the size of output inductor and capacitors.<br /><br />The RTQ2102 provides complete protection functions such as input undervoltage lockout, output undervoltage protection, overcurrent protection, and thermal shutdown.<br /><br />The cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RTQ2102 is available in WDFN-8L 3x3 package.
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<div class="spec-list"><ul class="lv1"><li>AEC-Q100 Grade 1 Qualified </li><li>Input Supply Voltage Range: 3V to 6V </li><li>Output Voltage Range: 0.45V to V<sub>IN</sub> </li><li>1.5A Converter Integrated 110mΩ and 90mΩ FETS in WDFN-8L 3x3 Package </li><li>Advanced Constant On-Time (ACOT<sup>®</sup>) Control <ul class="lv2"> <li></li><li>Ultrafast Transient Response </li><li>No Needs for External Compensations </li><li>Optimized for Low-ESR Ceramic Output Capacitors </li></ul> </li><li>Low Quiescent Current: 30μA </li><li>Steady Switching Frequency: 2.7MHz <ul class="lv2"> <li></li><li>Automatic Power Saving Mode (PSM) </li></ul> </li><li>Input Undervoltage Lockout (UVLO) </li><li>Output Undervoltage Protection (UVP) with Hiccup Mode </li><li>Over-Temperature Protection (OTP) </li><li>Power Good Indication </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Mobile Phones and Handheld Devices </li><li>STB, Cable Modem, and xDSL Platforms </li><li>WLAN ASIC Power/Storage (SSD and HDD) </li><li>General Purpose for POL LV Buck Converter </li><li>Automotive Infotainment </li><li>Automotive Instrument Clusters & HUD </li><li>Car Connectivity </li></ul></div>
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