General Description
The RT8207L/M provides a complete power supply for both DDRII/DDRIII/Low-Power DDRIII/DDRIV memory systems. It integrates a synchronous PWM buck controller with a 1.5A sink/source tracking linear regulator and buffered low noise reference.

Features
● PWM Controller
   ► Resistor Programmable Current Limit by Low Side
      RDS(ON) Sense
   ► Quick Load Step Response Within 100ns
   ► 1% VVDDQ Accuracy Over Line and Load
   ► Fixed 1.8V (DDRII), 1.5V (DDRIII) or Adjustable
      0.75V to 3.3V Output Range for 1.35V (Low-Power
      DDRIII) and 1.2V (DDRIV)
   ► 4.5V to 26V Battery Input Range
   ► Resistor Programmable Frequency
   ► Over/Under Voltage Protection
   ► Internal Current Limit Ramp Soft-Start
   ► Drives Large Synchronous-Rectifier FETs
   ► Power Good Indicator
● 1.5A LDO (VTT), Buffered Reference (VTTREF)
   ► Capable to Sink and Source 1.5A
   ► External Input Available to Minimize Power Losses
   ► Integrated Divider Tracks 1/2 VDDQ for Both VTT
      and VTTREF
   ► Buffered Low Noise 10mA VTTREF Output
   ► Remote Sensing (VTTSNS)
   ► ±20mV Accuracy for Both VTTREF and VTT
   ► Supports High-Z in S3 and Soft-Off in S4/S5
● RoHS Compliant and Halogen Free

Applications
● DDRI/II/III/Low-Power DDRIII/DDRIV Memory Power Supplies
● Notebook Computers
● SSTL18, SSTL15 and HSTL Bus Termination