Datasheet

LTC3855
40
3855f
0.1µF
90.9k
1%
L2
2.2µH
1000pF
1000pF 1000pF
22µF
50V
20k
1%
10k
1%
V
OUT1
3.3V
5A
0.1µF
147k
1%
L2
3.3µH
1000pF
C
OUT2
150µF
20k
1%
15k
1%
122k
1%
V
OUT2
5V
5A
TG1 TG2
BOOST1 BOOST2
SW1 SW2
BG1
BG2
SGND
PGND
FREQ
SENSE1
+
SENSE2
+
RUN2
EXTV
CC
SENSE1
–
SENSE2
–
V
FB1
V
FB2
I
TH1
I
TH2
V
IN
PGOOD INTV
CC
TK/SS1 TK/SS2
V
IN
7V TO
24V
3855 F24
0.1µF
100pF
0.1µF
LTC3855
MODE/PLLIN
I
LIM
CLKOUT
RUN1
DIFFP
DIFFN
DIFFOUT
4.7µF
+
C
OUT1
220µF
+
10pF15pF
100pF
10Ω
10Ω
10Ω
10Ω
2.2Ω
1µF
D4D3
L1: TDK RLF 7030T-2R2M5R4
L2: TDK ULF10045T-3R3N6R9
C
OUT1
: SANYO 4TPE220MF
C
OUT2
: SANYO 6TPE150MI
8mΩ 8mΩ
M1 M2
Si4816BDYSi4816BDY
Typical applicaTions
Figure 24. 3.3V/5A, 5V/5A Converter Using Sense Resistors