Datasheet

LTC3878
20
3878fa
Typical applicaTions
4.5V to 14V Input, 1.2V/20A Output at 300kHz
+
RUN/SS
LTC3878
BOOST
16
C
B
0.22µF
M1
RJK0305DPB
C
VCC
4.7µF
C
C1
330pF
C
SS
0.1µF
C
C2
100pF
D
B
CMDSH-3
L1
0.44µH
C
OUT1
330µF
2.5V
s3
C
OUT2
100µF
6.3V
s2
+
C
IN1
10µF
16V
s2
C
IN2
180µF
16V
V
OUT
1.2V
20A
3878 TA02
V
IN
4.5V TO 14V
1
PGOOD
R
PG
100k
R2
57.6k
R
C
18k
R
FB1
10.0k
R1
10.0k
TG
152
V
RNG
SW
143
FCB PGND
134
I
TH
BG
125
SGND INTV
CC
116
I
ON
V
IN
107
V
FB
NC
98
R
ON
576k
R
FB2
5.11k
C
F
0.1µF
R
F
1Ω
M2
RJK0330DPB
C
IN1
: TDK C3225X5R1C106MT s2
C
OUT1
: SANYO 2R5TPE330M9 s3
C
OUT2
: MURATA GRM31CR60J107ME39 s2
L1: PULSE PA0513.441NLT
4.5V to 24V Input, 1.8V/10A Output at 500kHz
+
RUN/SS
LTC3878
BOOST
16
C
B
0.22µF
M1
FDS8690
C
VCC
4.7µF
C
C1
1000pF
C
C2
100pF
D
B
CMDSH-3
L1
0.8µH
C
OUT1
330µF
2.5V
C
OUT2
100µF
6.3V
+
C
IN1
10µF
25V
C
IN2
56µF
25V
V
OUT
1.8V
10A
3878 TA03
V
IN
4.5V TO 24V
1
PGOOD
R
PG
100k
R2
95.3k
R
C
10k
R
FB1
10.0k
R1
10.0k
TG
152
V
RNG
SW
143
FCB PGND
134
I
TH
BG
125
SGND INTV
CC
116
I
ON
V
IN
107
V
FB
NC
98
R
ON
511k
R
FB2
12.7k
C
F
0.1µF
R
F
2.2Ω
M2
FDS8670
C
IN1
: TDK C3225X5R1E106MT
C
OUT1
: SANYO 2R5TPE330M9
C
OUT2
: MURATA GRM31CR60J107ME39
L1: SUMIDA CDEP105NP-0R8MC-50
C
SS
0.1µF