Intersil ISL6548ACRZA-T

ACPI Regulator/Controller for Dual Channel DDR Memory Systems
Ic, Power Management; Supply Voltage:5V; No. Of Step-Down Dc - Dc Converters:2; No. Of Ldo Regulators:3; No. Of Regulated Outputs:5; Digital Ic Case:Qfn; No. Of Pins:28Pins; Operating Temperature Min:0°C; Msl:- Rohs Compliant: Yes |Renesas ISL6548ACRZA-T
$ 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 $$ PWM Regulator for GMCH Core $$ Sink/Source LDO Regulator for CPU/GMCH VTT Termination $$ LDO Regulator for ICH7 $ ACPI compliant sleep state control $ Glitch-free Transitions During State Changes $ VDDQ PWM Controller Drives Low Cost N-Channel MOSFETs $ 250kHz Constant Frequency Operation $$ 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)