Datasheet

LTC3708
30
3708fb
TYPICAL APPLICATIONS
12V/12A and 5V/12A at 300kHz Application
V
CC
5V
5V
TRACK1
BOOST2
BAT54A
BOOST1
LTC3708EUH
TG1
V
RNG1
I
ON1
EXTLPF
I
TH1
V
FB1
TRACK2
BOOST1
5.6M
0Ω
0Ω
88.7k
1nF
1nF
SENSE1
+
SENSE1
–
RUN/SS SGND
PGND1
BG1
FCB DRV
CC
SW1
TG2
V
CC
V
RNG2
I
ON2
INTLPF
I
TH2
V
FB2
PGOOD
BOOST2
SENSE2
+
SENSE2
–
PGND2
BG2
SW2
100pF
0.1μF
Q1
HAT2167H
Q2
HAT2167H
B340LA
V
IN
2.2M
88.7k
V
IN
V
CC
V
CC
Q3
HAT2167H
Q4
HAT2167H
L2
2.4μH
C
OUT1
150μF
16V
s2
L1
3.5μH
C6
1μF
10Ω
C3
3.3μF
50V
X5R
C4
3.3μF
50V
X5R
2.2nF 1.5nF
33.2k
15k
24.9k
24.9k
10k
75k
100k
5V
47pF
150pF
150pF
0.1μF
5.11k
22nF
3708 TA04
470pF
22pF
191k
75k
10k
10k
22pF
+
V
OUT1
12V
12A
V
IN
20V TO 28V
2.2μF
BOOST2
100pF
0Ω
0Ω
0Ω
0Ω
47pF
C
OUT2
220μF
6.3V
s2
+
PGOOD
V
OUT2
5V
12A
C
OUT1
: SANYO 16SVP150M
C
OUT2
: SANYO 6TPD220M
C1 TO C6: TDK C4532X5R1H335M
L1: SUMIDA CDEP147-3R5MC-H
L2: SUMIDA CDEP147-2R4MC
0.1μF
C2
3.3μF
50V
X5R
C1
3.3μF
50V
X5R
C6
3.3μF
50V
X5R
C5
3.3μF
50V
X5R
D3
B340LA
100μF
50V
+