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LTC3425 Datasheet(PDF) 21 Page - Linear Technology

Part # LTC3425
Description  5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3425 Datasheet(HTML) 21 Page - Linear Technology

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LTC3425
21
3425f
TYPICAL APPLICATIO S
Single or Dual Cell to 3.3V Boost with Automatic Burst Mode Operation
L1
2.2
µH
CIN
2.2
µF
C3
0.056
µF
RLIM
75k
RT
15k
R4
20k
L2
2.2
µH
L3
2.2
µH
L4
2.2
µH
CBULK: AVX TPSD157M004R0050
CIN: TAIYO YUDEN JMK107BJ225MA
VIN
SWA
VIN = 1.1V TO 3V
SWB
LTC3425
SWC
SWD
SGND
SHDN
VOUTS
VOUTA
VOUTB
VOUTC
VOUTD
REFOUT
CCM
REFEN
SYNCIN
BURST
RT
ILIM
PGOOD
SYNCOUT
SS
FB
COMP
GNDA
GNDB
GNDC
GNDD
+
C2
220pF
3425 TA03
COUT
4.7
µF
×4
CSS
0.01
µF
R3
100k
R2
511k
R5
10k
C1
22pF
R5
100k
CBULK
150
µF
4V
PGOOD
R1
301k
VOUT
3.3V
1A
+
COUT: TAIYO YUDEN JMK212BJ475MG (×4)
L1 TO L4: MURATA LQH4C2R2M04



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