RT9644A - Richtek Technology Corporation

RT9644A ACPI Regulator/Controller

The RT9644/A is a complete ACPI compliant power solution for DDR and DDR2 memory system with up to 4 DIMMs dual channel systems. This RT9644 includes one synchronous buck controller for DDR/DDR2 VDDQ, one DDR/DDR2 bus terminator VTT (equal to VDDQ/2) regulator with source and sinking ability, three LDO controllers for www.DataSheet4U.com V GMCH (cascode), an.

Features

l l l l l l l l l Applications l l l l l l Motherboard, Desktop Servers : Single/Dual channel DDR/DDR2 ACPI compliant Graphic Card : GPU and memory supply IA Equipments Telecomm Equipments DSP, ASIC or embedded processor and IO supplies High Power DC-DC Regulators l l l l RT9644 Includes Three LDO Controllers, One LDO Regulator and One PWM Controller }One DDR/DDR2 VDDQ with Synchronous Buck PWM }One DDR/DDR2 Bus Terminator VTT Regulator Source/Sink 3A }Two Cascode LDO Controllers for GMCH Core }One LDO Controller for GMCH/CPU Bus Terminator VTT_GMCH/CPU RT9644A Includes Two LDO Cont.