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RT6575K is a single-channel step-down controller generating supply voltage for battery-powered systems. It includes a Pulse-Width Modulation (PWM) controller adjustable from 2V to 5.5V, and a fixed 5V linear regulator. The linear regulator provides up to 100mA output current. Other features include on-board power-up sequencing, a power-good output, internal soft-start, and soft-discharge output that prevents negative voltage during shutdown.<br /><br />A constant current ripple PWM control scheme operates without sense resistors and provides 100ns response to load transient. For maximizing power efficiency, the RT6575K automatically switches to the diode-emulation mode in light load applications. The RT6575K is available in the VQFN-16L 3x3 package.
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<li class="mv5"> CCRCOT Control with 100ns Load Step Response<br /> </li><li class="mv5"> PWM Maximum Duty Ratio > 98%<br /> </li><li class="mv5"> 5V to 25V Input Voltage Range<br /> </li><li class="mv5"> 2V to 5.5V Output Voltage Range<br /> </li><li class="mv5"> 5V LDO with 100mA Output Current<br /> </li><li class="mv5"> Two Selectable Frequency Settings<br /> </li><li class="mv5"> Internal Soft-Start and Soft-Discharge<br /> </li><li class="mv5"> 4700ppm/°C R<sub>DS(ON)</sub> Current Sensing<br /> </li><li class="mv5"> Independent Switcher Enable Control<br /> </li><li class="mv5"> Built-in OVP/UVP/OCP/OTP<br /> </li><li class="mv5"> Non-Latch UVLO<br /> </li><li class="mv5"> Power Good Indicator<br /> </li><li class="mv5"> RoHS Compliant and Halogen Free</li>
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<li class="mv5"> Notebook and Sub-Notebook Computers<br /> </li><li class="mv5"> System Power Supplies</li>
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