IC REG/CTRLR ACPI DUAL DDR 28QFN
* Generates 5 Regulated Voltages * Synchronous Buck PWM Controller for DDR VDDQ * 3A Integrated Sink/Source Linear Regulator with Accurate VDDQ/2 Divider Reference for DDR VTT * PWM Regulator for GMCH Core * LDO Regulator for CPU/GMCH VTT Termination * LDO Regulator for DAC * ACPI Compliant Sleep State Control * Glitch-Free Transitions During State Changes * Integrated VREF Buffer * VDDQ PWM Controller Drives Low Cost N-Channel MOSFETs * 250kHz Constant Frequency Operation * Both PWM Controllers are Phase Shifted 180° * Tight Output Voltage Regulation - All Outputs: ±2% Over Temperature * 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 * OCP on the VDDQ Switching Regulator * Integrated Thermal Shutdown Protection * Pb-Free Plus Anneal Available RoHS Compliant
