LTC3425 Linear Technology, LTC3425 Datasheet - Page 21

• Manufacturer Part Number: LTC3425
• Description: 5A 8MHz 4-Phase Synchronous Step-Up DC/DC Converter
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
C
C
0.056 F
BULK
IN
R4
20k
: TAIYO YUDEN JMK107BJ225MA
: AVX TPSD157M004R0050
C3
+
V
IN
R
= 1.1V TO 3V
R
15k
75k
LIM
T
Single or Dual Cell to 3.3V Boost with Automatic Burst Mode Operation
C
2.2 F
IN
SHDN
REFOUT
CCM
REFEN
SYNCIN
BURST
R
I
LIM
T
SGND
U
V
IN
GNDA
SWA
C
L1 TO L4: MURATA LQH4C2R2M04
OUT
L1
2.2 H
: TAIYO YUDEN JMK212BJ475MG ( 4)
LTC3425
GNDB
SWB
L2
2.2 H
GNDC
SWC
L3
2.2 H
SYNCOUT
GNDD
SWD
PGOOD
V
V
V
V
V
COMP
OUTD
OUTS
OUTA
OUTB
OUTC
L4
2.2 H
SS
FB
220pF
C
0.01 F
C2
SS
C
4.7 F
4
OUT
R3
100k
R2
511k
R1
301k
R5
10k
C1
22pF
3425 TA03
R5
100k
PGOOD
+
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C
150 F
4V
BULK
LTC3425
V
3.3V
1A
OUT
21
3425f