Datasheet

LTC3827
33
3827ff
TYPICAL APPLICATION
High Effi ciency Synchronizable Dual 5V/8V Step-Down Converter
C
IN1
10µF
C
INT2
1µF
D2
D1
C1
1nF
39pF
R
B1
365k
3827 TA04
C
SS1
0.01µF
C
ITH1
420pF
R
ITH1
10k
R
A1
69.8k
C
ITH1A
100pF
C2
1nF
R
B2
353k
C
SS2
0.01µF
C
ITH2
560pF
R
ITH2
35k
R
A2
39.2k
C
ITH2A
100pF
C
B2
0.47µF
100k
C
INT1
4.7µF
C
OUT2
150µF
C
B1
0.47µF
MTOP2
MBOT2
MTOP1
MBOT1
L2
7.2µH
R
SNS2
20mΩ
V
OUT1
5V
5A
V
IN
12V
V
OUT2
8V
2A
L1
3.3µH
R
SNS1
12mΩ
C
IN2
10µF
C
OUT1
150µF
I
TH1
V
FB1
SENSE1
+
SENSE1
–
PLLLPF
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
SENSE2
–
SENSE2
+
V
FB2
I
TH2
TRACK/SS2
TRACK/SS1
PGOOD2
PGOOD1
TG1
SW1
BOOST1
BG1
V
IN
PGND
EXTV
CC
INTV
CC
BG2
BOOST2
SW2
TG2
FOLDDIS
+
100k
D3
D4
10nF
10k
LTC3827
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-3R2M
L2: CDEP105-7R2M
C
OUT1
, C
OUT2
: SANYO 10TPD150M
22pF