Datasheet

LTC3868
35
3868fd
100k
SENSE1
+
SENSE1
–
SENSE2
–
SENSE2
+
V
FB1
I
TH1
SGND
EXTV
CC
RUN1
RUN2
FREQ
SS2
V
FB2
SS1
PLLIN/MODE
PGOOD1
PGOOD2
BG1
SW1
BOOST1
TG1
V
IN
INTV
CC
PGND
TG2
BG2
BOOST2
SW2
C1
0.1µF
R
B1
28.7k
C
OUT1
, C
OUT2
: SANYO 2R5TPE220M
L1, L2: VISHAY IHL P2525CZERR47M06
MTOP1, MTOP2: RENESAS RJK0305
MBOT1, MBOT2: RENESAS RJK0328
C
F1
56pF
C
ITH1A
200pF
C
SS1
0.01µF
C
SS2
0.01µF
C
ITH1
1000pF
C
INT
4.7µF
C
B1
0.47µF
C
B2
0.47µF
D1
V
IN
12V
D2
LTC3868
L1
0.47µH
L2
0.47µH
MBOT1
MTOP2
MTOP1
MBOT2
3868 TA05
100k
R
S1
1.18k
R
S2
1.18k
INTV
CC
C
OUT1
220µF
×2
V
OUT1
1V
8A
V
OUT2
1.2V
8A
C
IN
22µF
C
OUT2
220µF
×2
R
A1
115k
R
A2
115k
R
B2
57.6k
C
F2
56pF
R
FREQ
65k
R
ITH1
3.93k
C2
0.1µF
I
TH2
C
ITH2
1000pF
C
ITH2A
220pF
R
ITH2
3.93k
I
LIM
PHASMD
CLKOUT
High Effi ciency Dual 1V/1.2V Step-Down Converter with Inductor DCR Current Sensing
TYPICAL APPLICATIONS