Datasheet

LTC3890
37
3890fc
TYPICAL APPLICATIONS
High Efficiency 12V at 25A Dual-Phase Step-Down Converter
MTOP2
SENSE1
+
SENSE1
–
V
FB1
TRACK/SS2
ITH2
V
FB2
SENSE2
–
SENSE2
+
ITH1
TRACK/SS1
I
LIM
PHSMD
CLKOUT
PLLIN/MODE
SGND
FREQ
RUN1
RUN2
PGOOD2
BG1
C
ITH1A
100pF
C
ITH1
4.7nF
C
SS1
0.1µF
C1
1nF
C
OUT1
150µF
R
B1
499k
R
A1
35.7k
10pF
R
ITH1
9.76k
R
FREQ
30.1k
V
IN
V
OUT
MTOP1, MTOP2, MBOT1, MBOT2: RJK0651DPB
L1, L2: WÜRTH 7443631000
C
OUT1
, C
OUT2
: SANYO 16SVPC150M
C
IN
: SUN ELECT. 63CE100BS
D1, D2: DFLS1100
D1
D2
LTC3890
L1
10µH
L2
10µH
MBOT1
TG1
MTOP1
V
OUT
12V
25A
V
IN
16V TO 60V
3890 TA07
INTV
CC
PGOOD1
100k
C
B1
0.1µF
C2
1nF
SW1
SW2
BOOST1
C
B2
0.1µF
BOOST2
V
IN
INTV
CC
PGND
TG2
BG2
C
OUT2
150µF
C
INT
4.7µF
C
IN
100µF
MBOT2
R
SENSE1
3mΩ
R
SENSE2
3mΩ
EXTV
CC
R
RUN1
1000k
R
RUN2
57.6k
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.