Datasheet

LTC3890-1
28
38901fb
Figure 11. Recommended Printed Circuit Layout Diagram
C
B2
C
B1
R
PU1
PGOOD1
V
PULL-UP
C
INTVCC
C
IN
D1*
1µF
CERAMIC
M1 M2
M3
M4
D2*
C
VIN
V
IN
R
IN
L1
L2
C
OUT1
V
OUT1
GND
V
OUT2
38901 F11
C
OUT2
R
SENSE
R
SENSE
f
IN
1µF
CERAMIC
ITH1
V
FB1
SENSE1
+
SENSE1
–
SENSE2
–
SENSE2
+
V
FB2
ITH2
TRACK/SS2
PGOOD1
TG1
SW1
BOOST1
BG1
V
IN
PGND
EXTV
CC
INTV
CC
BG2
BOOST2
SW2
TG2
FREQ
PLLIN/MODE
RUN1
RUN2
SGND
+
+
+
LTC3890-1
C1*
R1*
TRACK/SS1
C2*
R2*
*R1, R2, C1, C2, D1, D2 ARE OPTIONAL.
APPLICATIONS INFORMATION