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Part Name
Description
XRP6142EL1-0-F View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
XRP6142EL1-0-F
Synchronous Step-Down Controller with DDR Memory Termination
Exar Corporation
'XRP6142EL1-0-F' PDF : 17 Pages
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DDR2
MEMORY SOLUTION
RVCC
10 Ohm
CVCC
1uF
C2
0.1uF
CBST
0.1uF
T. PAD
1
AGND
XRP6142EL1.0-F
GH
12
2
11
VTTREF
U1
SW
3
VDDQ/2
GL
10
4
VREF
9
PGND
RLIM 3.65k
CFF
1nF
R1
25.5k (1%)
R2
10k (1%)
XRP6142
Synchronous Step-Down Controller with DDR
Memory Termination
VIN=3.3V or 5V
C1
47uF, ceramic, 10V
GND
QT
Vishay , Si2312BDS
1
L1, Vishay IHLP-2525CZ
1.5uH, 9A, 15 mOhm
1
2
VDDQ=1.8V, 0-3A
U2 SP2996B
C3
150uF
QB
Vishay , Si2312BDS
1
C3 SANY O
POSCAP
4TPE150MAZB,
4V, 35mOhm
GND
1
VIN
2
GND
3
REFEN
4
VOUT
VCNTL
8
7
VCNTL
VCNTL
6
VCNTL
5
VTT=0.9V, 1A peak, 0.5ADC
R3
10k (1%)
C4
47uF, ceramic, 6.3V
VREF/VTT ENABLE
Q1
CES7002A
R4
10k (1%)
VREF
C5
1uF
© 2010 Exar Corporation
Page 15 of 17
Rev. 1.0.0
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