Datasheet

LTC3854
24
3854fb
Figure 8. 1.0V/20A DCR Sense Application
3854 TA03
LTC3854
0.1µF0.1µF
180µF
25V
47µF
25V
×2
4.7µF
100pF
2200pF
L
0.22µH,
1.8mΩ DCR
C
OUT1
330µF
×2
V
OUT
1V
20A
V
IN
4.5V TO 14V
8.06k
32.4k
15k
V
IN
TG
BOOST
SW
INTV
CC
BG
GND
RUN/SS
ITH
FB
SENSE
–
SENSE
+
D1
M1
M2
1.21k
0.1µF
C
OUT2
47µF
×2
D1 = CMDSH-3
M1, M2 = VISHAY Si7866ADP
L = SUMIDA CDEP104NP-0R2NC
C
OUT1
= SANYO 2RSTPE330M9
C
OUT2
= MURATA GRM31CR60J476K
+
Figure 9. 5.0V/10A R
SENSE
Application
3854 TA04
LTC3854
0.1µF
0.1µF
150µF
50V
4.7µF
D1
100pF
2200pF
L
3.6µH
R
SENSE
3mΩ
C
OUT1
220µF
V
OUT
5V
10A
V
IN
6V TO 38V
42.2k
8.06k
7.5k
V
IN
TG
BOOST
SW
INTV
CC
BG
GND
RUN/SS
ITH
FB
SENSE
–
SENSE
+
M1
M2
4.7nF
16Ω
16Ω
47µF
50V
×2
D1 = ZETEX ZLLS1000
M1, M2 = INFINEON BSC093N04LS
L = COILTRONICS HC1-3R6-R
C
OUT1
= SANYO 6TPE220MI
+
TYPICAL APPLICATIONS