SC488 Semtech Corporation, SC488 Datasheet - Page 8

• Manufacturer Part Number: SC488
• Description: Complete DDR1/2/3 Memory Power Supply
• Manufacturer: Semtech Corporation

www.DataSheet4U.com
© 2006 Semtech Corp.
POWER MANAGEMENT
Block Diagram
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
8
VTTPGD
DSCHG
LX
DL
DRVH
DRVL
FAULTMON
SHOOT
THRU
SENSE
LO
HI
NOVLP
DRVH
DRVL
VTTIN
+12%
-12%
www.semtech.com
SC488
PGND2
PGND1
VDDP
DL
VTTS
DH
PGD
BST
LX
ILIM
VTT