Datasheet

LTC3822-1
20
38221f
Figure 10. 3.3V
IN
1.8V/8A High Effi ciency 550kHz Step-Down Converter
APPLICATIONS INFORMATION
V
OUT
V
IN
GND
GND
SW
AND OTHER
SMALL-SIGNAL
COMPONENTS
GND SENSE
TRACE
M1
M2
U1
L1
C
OUT
C
IN
38221 F09
Figure 9. LTC3822-1 Suggested PCB Floorplan
22µF
×2
V
IN
2.75V TO 4.5V
V
OUT
1.8V
8A
38221 F10
10.2k
1000pF
IPRG V
IN
PLLLPF
SW
BOOST
TG
RUN
SYNC/MODE
I
TH
V
FB
BGGND
*TDK C3216X5R0JL176M
LTC3822EDD-1
TRACK/SS
59k
1%
0.22µF
IHLP-2525CZ-01
0.47µH
47µF*
×2
FDS6898A
D
OPTIONAL
27pF
118k 1%
27pF