Datasheet

LTC3728L/LTC3728LX
30
3728lxff
Figure 10. LTC3728L/LTC3728LX Recommended Printed Circuit Layout Diagram
applicaTions inForMaTion
C
B2
C
B1
R
PU
PGOOD
V
PULL-UP
(<7V)
C
INTVCC
+
C
IN
D1
1µF
CERAMIC
M1 M2
M3
M4
D2
+
C
VIN
V
IN
R
IN
INTV
CC
3.3V
R4R3
R2
R1
RUN/SS1
SENSE1
+
SENSE1
–
V
OSENSE1
PLLFLTR
PLLIN
FCB
I
TH1
SGND
3.3V
OUT
I
TH2
V
OSENSE2
SENSE2
–
SENSE2
+
PGOOD
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
RUN/SS2
LTC3728L/LTC3728LX
L1
L2
C
OUT1
V
OUT1
GND
V
OUT2
3728 F10
+
C
OUT2
+
R
SENSE
R
SENSE
f
IN
1µF
CERAMIC