DDR Memory System Controller 28-Pin QFN EP T/R

ACPI Regulator/Controller for Dual Channel DDR Memory Systems Generates 3 Regulated Voltages - Synchronous Buck PWM Controller with Standby LDO - 3A Integrated Sink/Source Linear Regulator with Accurate VDDQ/2 Divider Reference. - Glitch-free Transitions During State Changes - LDO Regulator for 1.5V Video and Core voltage • Acpi Compliant Sleep State Control • Integrated VREF Buffer • PWM Controller Drives Low Cost N-Channel MOSFETs • 250kHz Constant Frequency Operation • Tight Output Voltage Regulation - All Outputs: ±2% Over-Temperature • 5V or 3.3V Down Conversion • Fully-Adjustable Outputs with Wide Voltage Range: Down to 0.8V supports DDR and DDR2 Specifications • Simple Single-Loop Voltage-Mode PWM Control Design • Fast PWM Converter Transient Response • Under and Overvoltage Monitoring on All Outputs • OCP on the Switching Regulator • Integrated Thermal Shutdown Protection • QFN Package Option - QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline - QFN Near Chip Scale Package Footprint; Improves PCB Efficiency, Thinner in Profile • Pb-free Available (RoHS Compliant)