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SC486

Part Number	SC486
Manufacturer	Semtech Corporation
Description	Complete DDR1/2/3 Memory Power Supply
Published	Nov 17, 2008
Detailed Description	Complete DDR1/2/3 Memory Power Supply POWER MANAGEMENT Description The SC486 is a combination switching regulator and li...
Datasheet	SC486 PDF File

Overview

Complete DDR1/2/3 Memory Power Supply POWER MANAGEMENT Description The SC486 is a combination switching regulator and linear source/sink regulator intended for DDR1/2/3 memory systems.
The switching regulator is used to generate the supply voltage, VDDQ, for the memory system.
It is a pseudo-fixed frequency constant on-time controller designed for high efficiency, superior DC accuracy, and fast transient response.
The linear source/sink regulator is used to generate the memory termination voltage, VTT, with the ability to source and sink a 3A peak current.
com For the VDDQ regulator, the switching frequency is constant until a step in load or line voltage occurs at which time...

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