LTC3868-1 Linear Technology, LTC3868-1 Datasheet - Page 34
LTC3868-1
Manufacturer Part Number
LTC3868-1
Description
Low IQ Dual 2-Phase Synchronous Step-Down Controller
Manufacturer
Linear Technology
Datasheet
1.LTC3868-1.pdf
(38 pages)
- Current page: 34 of 38
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LTC3868-1
Typical applicaTions
C
C
ITH2
ITH1A
115k
R
R
115k
R
65k
FREQ
A2
C
A1
1000pF
ITH1
200pF
1000pF
28.7k
57.6k
High Efficiency Dual 1V/1.2V Step-Down Converter with Inductor DCR Current Sensing
56pF
56pF
R
R
C
C
B2
B1
F1
F2
C
R
R
ITH2A
ITH1
ITH2
0.1µF
0.1µF
C
C
SS1
SS2
3.93k
C1
C2
220pF
3.93k
0.01µF
0.01µF
V
I
SS1
PLLIN/MODE
SGND
I
SENSE1
SENSE1
EXTV
RUN1
RUN2
FREQ
SS2
V
SENSE2
SENSE2
TH1
TH2
FB1
FB2
CC
LTC3868-1
R
R
+
–
–
+
S1
S2
1.18k
1.18k
PGOOD1
BOOST1
BOOST2
INTV
PGND
SW1
SW2
BG1
TG1
BG2
TG2
V
CC
IN
C
L1, L2: SUMIDA IHL P2525CZERR47M06
MTOP1, MTOP2: RENESAS RJK0305
MBOT1, MBOT2: RENESAS RJK0328
100k
OUT1
INTV
, C
D1
D2
OUT2
CC
: SANYO 2R5TPE220M
C
0.47µF
C
0.47µF
B1
B2
C
4.7µF
INT
MBOT1
MTOP1
MTOP2
MBOT2
C
22µF
IN
0.47µH
0.47µH
V
12V
L1
L2
IN
38681 TA05
www.DataSheet4U.com
C
220µF
×2
C
220µF
×2
OUT1
OUT2
V
1.2V
8A
V
1V
8A
OUT2
OUT1
38681fb
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