SC1544: ACPI Controller for Advanced Motherboards

Complete programmable supply for instantly available PC systems
Supports 2.5 V memory or 3.3 V memory (-2.5 or -3.3 option in part number)
5 V dual and 3.3 V dual supplies are programmable to be active or inactive in S5
Integrated AGP voltage supply with "TYPEDET" signal for 3.3 V or 1.5 V operation
Integrated LDO for 1.8 V supply
Integrated charge pump removes the need for PMOS FETs, enables single-supply operation
Over-current protection on all dual outputs
Inherent soft-start capability
TSSOP-24 package