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Product Spec Banner
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The RT5128A is a multi-output integrated circuit (MOIC) designed for use with Intel MTL-UPH and AMD SVI3 mobile CPU platforms. The RT5128A integrates two buck controllers, four buck converters, and one load switch. Furthermore, the RT5128A supports both DDR5 and LPDDR5 applications.To prevent abnormal operation or electrical overstress, the RT5128A features UVLO, OVP, UVP, OTP, and overcurrent-limit protections for each rail. The RT5128A is available in a UQFN-42L 5x5 (FC) package.
RT5128A Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>High Integration <ul class="lv2"> <li></li><li>Two Controllers, Four Converters, and One Switch </li></ul> </li><li>Input Voltage Range <ul class="lv2"> <li></li><li>Controller: 4.5V to 23V </li><li>Converter: 2.7V to 5.5V </li></ul> </li><li>Internal Soft-Start to Reduce Inrush Current </li><li>Stable with POSCAP and MLCC </li><li>Output Load Discharge Function </li><li>DDR Type Selection: DDR5 or LPDDR5 </li><li>Cycle-by-Cycle Current Limit </li><li>Output Overvoltage and Undervoltage Protection (OVP and UVP) </li><li>Input Undervoltage Lockout (UVLO) </li><li>Over-Temperature Protection (OTP) </li><li>Support I<sup>2</sup>C Interface for Programming <ul class="lv2"> <li></li><li>Adjustable Current Limit </li><li>Selectable Switching Frequency </li><li>Selectable Output Discharge Resistance </li><li>Provide Four Power Good Indicators </li></ul> </li></ul></div>
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RT5128A Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Intel MTL-UPH Mobile CPU </li><li>AMD SVI3 FP7/FP8 Mobile CPU </li></ul></div>
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