SC486 Complete DDR1/2/3 Memory Power Supply

Semtech Corporation

Description

Complete DDR1/2/3 Memory Power Supply POWER MANAGEMENT .
The SC486 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: SC486
Manufacturer: Semtech Corporation
File Size: 420.63 KB
Datasheet: SC486_SemtechCorporation.pdf
Description: Complete DDR1/2/3 Memory Power Supply

Features

* include cycle-by-cycle current limiting, digital soft-start, power good (all VDDQ only) and over-voltage and under-voltage protection (VDDQ and VTT). All 3 outputs (VDDQ, VTT and REF) are actively discharged when VDDQ is disabled, reducing external component count and cost. The SC486 is available in

Applications

* Typical Application Circuit VBAT 5VSUS 5VRUN U1 VTTEN VDDQS TON FB REF COMP VTTS VCCA VSSA VTT VTT VTTIN VTTIN PGND2 PGND2 PAD SC486 PGD EN/PSV VDDQ C1 no-pop REF R5 R4 10R C2 1uF 7 1 D1 PGOOD R7 10R R6 10R R9 C6 1uF C7 no-pop C3 no-pop R8 0R C8 1nF C9 1uF 8 9 10 5 4 14 15 12 13 1

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SC486 Complete DDR1 Memory Power Supply Semtech Corporation

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