Datasheet

LTC3546
24
3546fc
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applicaTions inForMaTion
Figure 7. Typical Schematic for 2A/2A Regulator
3546 F07
LTC3546
PGOOD1
SW1
RUN1
V
FB1
BMC1
TRACK/SS1
FREQ
R
ITH1
13k
I
TH1
PGOOD2
SW2A
RUN2
V
FB2
BMC2
TRACK/SS2
PHASE
I
TH2
C
ITH1
1000pF
R
ITH2
13k
C
ITH2
1000pF
R6
100k
R5
100k
C
OUT1
47µF
R
FREQ
143k
V
IN1
V
IN
V
OUT1
1.2V, 2A
V
IN
V
IN
V
IN
V
CCA
V
CCD
V
IN2
PGND2
EXPOSED PAD
GNDA PGND1
R2
30.1k
R1
30.1k
R4
30.1k
R3
60.4k
C
FF1
100pF
L1
0.56µH
C
OUT2
47µF
V
OUT2
1.8V, 2A
V
IN
2.25V TO 5.5V
C
FF2
100pF
L2
0.56µH
SYNC/MODE
SW2B SW1D
C
IN
22µF