XRP6142EL1-0-F View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRP6142EL1-0-F' PDF : 17 Pages View PDF
3.3V STEP-DOWN CONVERTER
XRP6142
Synchronous Step-Down Controller with DDR
Memory Termination
RVCC
10 Ohm
CVCC
4.7uF
CVCC1
0.1uF
C4
0.1uF
CBST
0.1uF
T. PAD
1 AGND XRP6142EL1.0-FGH 12
2 VTTREF
U1
SW 11
3 VDDQ/2
GL 10
4 VREF
PGND 9
RLIM 3.65k
CFF
1nF
R1
14k (1%)
R2
10k (1%)
VIN=3V-3.6V
C1
47uF
C2
47uF
C3
47uF
T POINT S
GND
QT
Fairchild FDS6570
4
C1-C3 ceramic, 10V T POINT S
L1, Wurth Elektronik1
VOUT=1.2V, 0-10A
0.72uH, 22A, 1.65 mOhm
1
2
QB
Fairchild FDS6570
Csnb
3.9nF
C5
220uF
C6
220uF
T POINT S
GND
4
Rsnb
0.2 Ohm
C5-C6 SANY O
POSCAP
T POINT S
6TPE220MI, 6.3V,
18mOhm
Snubber components
are optional
© 2010 Exar Corporation
Page 14 of 17
Rev. 1.0.0
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