
LTC3890
典型应用
高效率12V的25A双相降压转换器
R
B1
499k
10pF
R
A1
35.7k
C
ITH1A
100pF
R
ITH1
9.76k
C
ITH1
4.7nF
C
SS1
0.1F
C1
1nF
SENSE1
+
SENSE1
–
V
FB1
PGOOD1
PGOOD2
BG1
SW1
ITH1
BOOST1
LTC3890
TRACK/SS1
I
LIM
PHSMD
CLKOUT
PLLIN / MODE
SGND
频率
TG1
V
IN
INTV
CC
保护地
D2
RUN1
RUN2
TRACK/SS2
ITH2
TG2
BOOST2
SW2
BG2
100k
INTV
CC
MBOT1
L1
10H
R
SENSE1
3m
V
OUT
12V
25A
C
OUT1
150F
C
B1
0.1F
D1
MTOP1
V
IN
16V至60V
C
INT
4.7F
C
IN
100F
R
频率
30.1k
V
IN
R
RUN1
1000k
R
RUN2
57.6k
C
B2
0.1F
MTOP2
L2
10H
R
SENSE2
3m
C
OUT2
150F
V
OUT
EXTV
CC
V
FB2
SENSE2
–
C2
1nF
SENSE2
+
MBOT2
3890 TA07
MTOP1 , MTOP2 , MBOT1 , MBOT2 : RJK0651DPB
L1,L2 : WRTH 7443631000
C
OUT1
, C
OUT2
: SANYO 16SVPC150M
C
IN
: SUN可选。 63CE100BS
D1 , D2 : DFLS1100
3890fb
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