SC480 SEMTECH [Semtech Corporation], SC480 Datasheet - Page 9
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SC480
Manufacturer Part Number
SC480
Description
Complete DDR1/2/3 Memory Power Supply
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SC480.pdf
(25 pages)
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POWER MANAGEMENT
Block Diagram
© 2006 Semtech Corp.
EN/ PSV
VDDQS
VCCA
REF
TON
FB
OV
UV
+16%
-10%
-30%
VDDQS
DSCHG
VDDQS
+12%
-12%
DSCHG
VMON
TON/ TOFF
-10%
VCCA
VTTRUN
+16%
1.5V
POR/SS
VTTEN
1.5V
REF
-30%
PWM
OV
SD
SD
FEDLY
POR/SS
Figure 1
CONTROL
OTSD
OTSD
VSSA
9
VTTPGD
DSCHG
LX
DL
DRVH
DRVL
FAULTMON
SHOOT
THRU
SENSE
LO
HI
NOVLP
DRVH
DRVL
VTTIN
+12%
-12%
www.semtech.com
SC480
PGND2
DL
PGND1
VDDP
PGD
VTTS
BST
DH
ILIM
LX
VTT