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<p align="justify">The RT9619/A is a high frequency, dual MOSFET driver specifically designed to drive two power N-Channel MOSFETs in a synchronous-rectified buck converter topology. This driver combined with Richtek's series of Multi-Phase Buck PWM controller form a complete core-voltage regulator solution for advanced micro-processors.<br />The RT9619/A drives both the lower/upper gate in a synchronous-rectifier bridge with 12V. This drive-voltage flexibility provides the advantage of optimizing applications involving trade-offs between switching losses and conduction losses.<br />RT9619A has longer UGATE/LGATE deadtime which can drive the MOSFETs with large gate RC value, avoiding the shoot-through phenomenon. RT9619 is targeted to drive low gate RC MOSFETs and performs better efficiency.<br />The output drivers in the RT9619/A can efficiently switch power MOSFETs at frequency up to 500kHz. Switching frequency above 500kHz has to take into account the thermal dissipation of SOP-8 package. RT9619/A is capable to drive a 3nF load with a 30ns rise time. RT9619/A implements bootstrapping on the upper gate with an external capacitor and an embedded diode. This reduces implementation complexity and allows the use of higher performance, cost effective N-Channel MOSFETs. Adaptive shoot-through protection is integrated to prevent both MOSFETs from conducting simultaneously.</p>
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<li class="mv5"> Drives Two N-Channel MOSFETs<br /></li><li class="mv5"> Adaptive Shoot-Through Protection<br /></li><li class="mv5"> Embedded Boot Strapped Diode<br /></li><li class="mv5"> Supports High Switching Frequency<br /></li><li class="mv5"> Fast Output Rise Time<br /></li><li class="mv5"> Small SOP-8 Package<br /></li><li class="mv5"> Tri-State Input for Bridge Shutdown<br /></li><li class="mv5"> Supply Under Voltage Protection<br /></li><li class="mv5"> RoHS Compliant and 100% Lead (Pb)-Free</li>
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<li class="mv5"> Core Voltage Supplies for Desktop, Motherboard CPU<br /></li><li class="mv5"> High Frequency Low Profile DC-DC Converters<br /></li><li class="mv5"> High Current Low Voltage DC-DC Converters</li>
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