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SC2595STRT

P1-P3P4-P6P7-P9P10-P12
1 www.semtech.com
SC2595
Integrated Linear DDR
Termination Regulator
POWER MANAGEMENT
September 24, 2009
Typical Application Circuit
The SC2595 is an integrated linear DDR termination
device, which provides a complete solution for DDR
termination designs; while meeting the JEDEC require-
ments of SSTL-2 specifications for DDR-SDRAM termi-
nation.
The SC2595 can source and sink 1.5A current at the
output V
TT
while maintaining excellent load regulation.
V
TT
is designed to track the V
REF
voltage with a tight
tolerance over the entire current range while preventing
shoot through on the output stage.
A V
SENSE
pin is incorporated to provide excellent load
regulation, along with a buffered reference voltage.
The SC2595 incorporates a disable function built into
the AV
CC
pin to tri-state the output during Suspend To
Ram (STR) states.
(Multiple patents pending.)
DDR memory termination
High speed data line termination
PC motherboards
Graphics boards
Disk drives
CD-ROM drives
Regulates while sourcing or sinking 1.5A
AV
CC
range is from 2.5V to 5V
Reference output
Minimum number of external components
Accurate internal voltage divider
SOIC8-EDP package.Pb-free,Halogen free, and RoHS/
WEEE compliant
Description
Features
Applications
SC2595
NC
1
GND
2
VSENSE
3
VREF
4
VDDQ
5
AVCC
6
PVCC
7
VTT
8
VTT
VDD
VREF
2©2009 Semtech Corp. www.semtech.com
SC2595
PRELIMINARYPOWER MANAGEMENT
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snoitidnoCtseT
snoitidnoCtseTsnoitidnoCtseTniMniM
niM
niMniMpyTpyT
pyT
pyTpyTxaMxaM
xaM
xaMxaMstinUstinU
stinU
stinUstinU
egatloV
ecnerefeRV
FER
I
TUO_FER
Am0=2/QDDV
Vm04-
52.12/QDDV
Vm04+
V
noitalugeRdaoL
)1(
GER
DAOL
I
DAOL
A5.1+ot0:
I
DAOL
A5.1-ot0:
5.0-
5.0+
%
tesffOegatloVtuptuOTTVSOV
TTV
I
TUO
V,A0=
TT
V-
FER
02-002+Vm
tnerruCtnecseiuQI
Q
I
DAOL
A0=004Aμ
dlohserhTelbanECCVA 1.2V
ecnadepmItupnIQDDVZ
QDDV
001kΩ
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lobmyS
lobmySlobmySmumixaMmumixaM
mumixaM
mumixaMmumixaMstinUstinU
stinU
stinUstinU
DNGotQDDV,CCVA,CCVPV
CC
0.6+ot3.0-V
esaCotnoitcnuJecnatsiseRlamrehT
PDE-8CIOS
θ
CJ
5.5
W/C°
tneibmAotnoitcnuJecnatsiseRlamrehT
PDE-8CIOS
θ
AJ
5.63
W/C°
egnaRerutarepmeTgnitarepOT
A
501+ot04-C°
egnaRerutarepmeTnoitcnuJgnitarepOT
J
051+ot04-C°
egnaRerutarepmeTegarotST
GTS
051+ot56-C°
s04-01erutarepmeTwolfeRRIkaePT
DAEL
042C°
s04-01erutarepmeTwolfeRRIkaePT
DAEL
062C°
)ledoMydoBnamuH(gnitaRDSEDSE2VK
Specifications with standard typeface are for T
J
= 25
o
C and limits in boldface type apply over the full Operating Temperature Range
(T
J
= -40
o
C to +150
o
C). Unless otherwise specified, AV
CC
= PV
CC
= 2.5V, V
DDQ
= 2.5V.
Electrical Characteristics
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not implied.
Note:Note:
Note:Note:
Note:
(1) For Load Regulation, use a 10ms current pulse width when measuring V
TT
.
Operating Range
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mumixaM
mumixaMmumixaMstinUstinU
stinU
stinUstinU
egnaRerutarepmeTnoitcnuJT
J
051+ot04-C°
DNGotCCVAVA
CC
5.5ot3.2V
DNGotCCVPVP
CC
ot3.2VA
CC
V
3©2009 Semtech Corp. www.semtech.com
POWER MANAGEMENT
SC2595
Pin Configuration Ordering Information
Notes:
(1) Only available in tape and reel packaging. A reel contains
2500 devices for SOIC8-EDP package.
(2) Pb-free,Halogen free, and RoHS and WEEE compliant.
Part Number Package Temp. Range (T
A
)
SC2595STRT
(1)(2)
SOIC8-EDP -40 to +105
O
C
SC2595EVB Evaluation Board
1
2
3
4
VTT
NC
5
6
7
8
PVCCGND
AVCCVSENSE
VDDQVREF
TOP VIEW
(SOIC8-EDP)
P1-P3P4-P6P7-P9P10-P12

SC2595STRT

Mfr. #:
Buy SC2595STRT
Manufacturer:
Semtech
Description:
Power Management Specialized - PMIC INTEGRATED LINEAR DDR TERM REG
Lifecycle:
New from this manufacturer.
Delivery:
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