Datasheet

LTC3878
21
3878fa
Typical applicaTions
4.5V to 32V Input, 1V/5A Output at 250kHz
4.5V to 28V Input, 2.5V/5A Output at 500kHz
+
RUN/SS
LTC3878
BOOST
16
C
B
0.22µF
M1
BSC093N04LS
M2
BSC093N04LS
C
VCC
4.7µF
C
C1
1000pF
C
C2
100pF
D
B
ZLLS1000
L1
2.2µH
C
OUT1
330µF
2.5V
C
OUT2
47µF
6.3V
+
C
IN1
4.7µF
50V
C
IN2
22µF
35V
V
OUT
1V
5A
3878 TA04
V
IN
4.5V TO 32V
1
PGOOD
R
PG
100k
R
C
13k
R
FB1
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
2.55k
C
F
0.1µF
R
F
2.2Ω
C
IN1
: MURATA GRM32ER71H475K
C
OUT1
: SANYO 2R5TPE330M9
C
OUT2
: TDK C3216X5R0J476M
L1: WURTH 744311220
C
SS
0.1µF
RUN/SS
LTC3878
BOOST
16
C
B
0.22µF
M1-1
1/2 Si4816BDY
M1-2
1/2 Si4816BDY
C
VCC
4.7µF
C
C1
1000pF
C
C2
100pF
D
B
CMDSH-3
L1
2.2µH
C
OUT
100µF
6.3V
s2
+
C
IN1
4.7µF
50V
C
IN2
22µF
35V
V
OUT
2.5V
5A
3878 TA05
V
IN
4.5V TO 28V
1
PGOOD
R
PG
100k
R2
80.6k
R
C
8.2k
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
715k
R
FB2
21.5k
C
F
0.1µF
R
F
2.2Ω
C
IN1
: MURATA GRM32ER71H475K
C
OUT
: MURATA GRM32ER60J107M
L1: WURTH 744311220
C
SS
0.1µF