SC480 Complete DDR1/2/3 Memory Power Supply

Semtech Corporation

Description

POWER MANAGEMENT .
The SC480 is a combination switching regulator and linear source/sink regulator intended for DDR1/2/3 memory systems.

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Datasheet Specifications

Part number: SC480
Manufacturer: Semtech Corporation
File Size: 895.82 KB
Datasheet: SC480_SemtechCorporation.pdf
Description: Complete DDR1/2/3 Memory Power Supply

Features

* include cycle-by-cycle current limiting, digital soft-start, over-voltage and undervoltage protection and a power good ﬂag. For the VTT regulator, the output voltage tracks REF, which is ½ VDDQ to provide an accurate termination voltage. The VTT output is generated from a 1.2V to VDDQ input by a lin

Applications

* ¡ ¡ ¡ ¡ ¡ Notebook Computers CPU I/O Supplies Handheld Terminals and PDAs LCD Monitors Network Power Supplies C2 0.1uF Q1 20 Typical Application Circuit 5V D1 VDDQ 22 24 23 21 VBAT C3 2x10uF 19 VTT VBAT C4 10uF C5 10uF C1 1uF 1 R1 1Meg VTTSNS 2 3 4 C7 1nF R6 10R REF C9 1uF C10 1uF 5 6 VDDQ L1 Q

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SC480 Complete DDR1 Memory Power Supply Semtech Corporation

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