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<p align="justify">The RT9259A is a dual-channel DC/DC controller specifically designed to deliver high quality power where 12V power source is available. This part consists of a synchronous buck controller and an LDO controller. The synchronous buck controller integrates MOSFET drivers that support 12V+12V bootstrapped voltage for high efficiency power conversion. The bootstrap diode is built-in to simplify the circuit design and minimize external part count. The LDO controller drives an external N-MOSFET for lower power requirement.<br />Other features include adjustable operation frequency, internal soft start, under voltage protection, over current protection and shut down function. With the above functions, this part provides customers a compact, high efficiency, well-protected and cost-effective solution. This part comes to SOP-14 package.</p>
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<li class="mv5"> Single 12V Bias Supply<br /></li><li class="mv5"> Support Dual Channel Power Conversion<br /> ♦ One Synchronous Rectified Buck PWM Controller<br /> ♦ One Linear Controller<br /></li><li class="mv5"> Both Controllers Drive Low Cost N-Channel MOSFETs<br /></li><li class="mv5"> Adjustable Frequency from 150kHz to 1MHz and Free-Run Frequency at 230kHz<br /></li><li class="mv5"> Small External Component Count<br /></li><li class="mv5"> Output Voltage Regulation<br /> ♦ PWM Controller : ±1% Accuracy<br /> ♦ LDO Controller : ±2% Accuracy<br /></li><li class="mv5"> Two Internal V<sub>REF</sub> Power Support Lower to 0.8V<br /></li><li class="mv5"> Adjustable External Compensation<br /></li><li class="mv5"> Linear Controller Drives N-Channel MOSFET Pass Transistor<br /></li><li class="mv5"> Fully-Adjustable Outputs<br /></li><li class="mv5"> Under Voltage Protection for Both Outputs<br /></li><li class="mv5"> Adjustable Over Current Protection<br /></li><li class="mv5"> RoHS Compliant and 100% Lead (Pb)-Free</li>
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<li class="mv5"> Graphic Card GPU, Memory Core Power<br /></li><li class="mv5"> Graphic Card Interface Power<br /></li><li class="mv5"> Motherboard, Desktop and Servers Chipset and Memory Core Power<br /></li><li class="mv5"> IA Equipments<br /></li><li class="mv5"> Telecomm Equipments<br /></li><li class="mv5"> High Power DC-DC Regulators</li>
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