SC2446ITETRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC2446ITETRT' PDF : 38 Pages View PDF
SC2446
POWER MANAGEMENT
Application Information (Cont.)
VIN
VTT
C63
C59
+
R49
R51
C56
D7
D8
PVCC
Q13
R43
BST2
BST1
Q14
R44
L7
C57
GDH2
GDH1
C58
L8
C60
R45
Q15
CFILTER
R47
RFILTER
GDL2
GDL1
PGND
Q16
R48
CFILTER
R46
RFILTER
RCS+
RCS-
VPN2
CS2+
CS2-
VPN1
CS1+
CS1-
RCS-
C65
R53
C67
VDDQ
R54
R56
VIN
SYNC
IN2-
COMP2
REFIN
VIN2
SYNC
SS1/EN1
IN1-
COMP1
REF
AGND
Rosc
AVCC
C68
R57
C66
C69
R55
VIN
SS2/EN2
REFOUT
C70
C71
C72
C73
U1
SC2446
C61
RCS+
Figure 21
DDR Memory Applications (Common Input Voltage)
VDDQ
VIN
VDDQ
C62
C64
+
R50
R52
VTT
C81
C77
+
R64
R66
C74
D9
D10
PVCC
Q17
R58
BST2
BST1
Q18
R59
L9
C75
GDH2
GDH1
C76
L10
C78
R60
Q19
CFILTER
R62
RFILTER
GDL2
GDL1
PGND
Q20
R63
CFILTER
R61
RFILTER
RCS+
RCS-
VPN2
CS2+
CS2-
VPN1
CS1+
CS1-
RCS-
C83
R68
C85
VDDQ
R69
R71
VDDQ
SYNC
IN2-
COMP2
REFIN
VIN2
SYNC
SS1/EN1
IN1-
COMP1
REF
AGND
Rosc
AVCC
C86
R72
C84
C87
R70
VIN
SS2/EN2
REFOUT
C88
C89
C90
C91
U1
SC2446
C79
RCS+
DDR Memory Applications (Separate Input Voltage)
Figure 22
VDDQ
C80
C82
+
R65
R67
2004 Semtech Corp.
27
www.semtech.com
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