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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.
High Integration ► Two Controllers, Four Converters, and One Switch
Input Voltage Range ► Controller: 4.5V to 23V ► Converter: 2.7V to 5.5V
Internal Soft-Start to Reduce Inrush Current
Stable with POSCAP and MLCC
Output Load Discharge Function
DDR Type Selection: DDR5 or LPDDR5
Cycle-by-Cycle Current Limit
Output Overvoltage and Undervoltage Protection (OVP and UVP)
Input Undervoltage Lockout (UVLO)
Over-Temperature Protection (OTP)
Support I2C Interface for Programming ► Adjustable Current Limit ► Selectable Switching Frequency ► Selectable Output Discharge Resistance ► Provide Four Power Good Indicators
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