ISL6548
NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT
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ACPI
Regulator/Controller for Dual Channel DDR Memory Systems
DATASHEET
FN9188 Rev 2.
00 January 3, 2006
VDDQ DDR_VTTSNS
DRIVE2_U FB2
VIDPGD DRIVE2_L
VREF_IN
The ISL6548 provides a complete ACPI compliant power solution for up to 4 DIMM dual channel DDR/DDR2 Memory systems.
Included are both a synchronous buck controller to supply VDDQ during S0/S1 and S3 states.
During S0/S1 state, a fully integrated sink-source
regulator generates an accurate (VDDQ/2) high current VTT voltage without the need for a negative supply.
Two LDO controllers are als...