General Description
The RT9210 is a dual high power, high efficiency synchronous buck DC-DC controller optimized for high
performance double data rate (DDR) memory applications.

FEATUREs
Operating with Single 5V Supply Voltage
High Power VDDQ, VTTand VREFfor DDR Memory
VTTTracks (VDDQ/2) to ±30mV
VTTRegulator Internally Compensated
Support “S3” Sleep Mode
Drives All Low Cost N-MOSFETs
Voltage Mode PWM Control
300kHz Fixed Frequency Oscillator
Fast Transient Response : Full 0% to 100% Duty Ratio
Internal Soft-Start
Adaptive Non-Overlapping Gate Driver
Over-Current Fault Monitor on VCC, No Current Sense Resistor Required
RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONs
DDR Memory Termination Supply
SSTL_2 and SSTL_3 Interfaces
Graph Card, Motherboard, Desktop Servers
High Power Tracking DC-DC Regulators