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RT9198-18GY

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Description
General Description
The RT9199 is a simple, cost-effective and high-speed linear regulator designed to generate termination voltage in double data rate (DDR) memory system to comply with the devices requirements.
The regulator is capable of actively sinking or sourcing up to 2A peak while regulating an output voltage to within 20mV.
The output termination voltage can be tightly regulated to track 1/2VDDQ by two external voltage divider resistors or the desired output voltage can be pro-grammed by externally forcing the REFEN pin voltage.
Features Ideal for DDR-II VTT Applications Sink and Source 2A Peak Current Integrated Power MOSFETs Generate Termination Voltage for DDR Memory Interfaces High Accuracy Output Voltage at Full-Load Output Adjustment by Two External Resistors Low External Component Count Shutdown for Suspend to RAM (STR) Functionality with High-Impedance Output Current Limiting Protection On-Chip
Thermal Protection RoHS Compliant and 100% Lead (Pb)-FreeApplications Desktop PCs, Notebooks, and Workstations Graphics Card Memory Termination Set Top Boxes, Digital TVs, Printers Embedded Systems Active Termination Buses DDR/II Memory Systems
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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