Datasheet

LTC3546
25
3546fc
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applicaTions inForMaTion
Figure 8. A 2.25MHz Fixed Frequency 2A/2A Regulator
3546 F08
LTC3546
PGOOD2
SYNC/MODE
V
FB2
FREQ
I
TH2
TRACK/SS2
V
CC
GNDBMC2 BMC1
RUN2
SW2A
SW2B
PGOOD1
V
FB1
PHASE
I
TH1
TRACK/SS1
RUN1
SW1
SW1D
C5
22µF, X5R
C1
22µF, X5R
×2
f
SW
= 2.25MHz
C2
22µF, X5R
×2
C4
470pF
C9
0.1µF
C6
10pF
L2
1.0µH
L1
1.0µH
R7
100k
R8
100k
R1
316k
R3
100k
R6
5.1k
R2
200k
R4
100k
R5
8.2k
C7
33pF
C8
0.1µF
C3
330pF
R9
90.9k
5V V
IN
V
OUT2
2.5V/2A
V
OUT1
1.8V/2A