ltc3827ig-1 Linear Technology Corporation, ltc3827ig-1 Datasheet - Page 30

• Manufacturer Part Number: ltc3827ig-1
• Description: Low Iq, Dual, 2-phase Synchronous Step-down Controller
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO
LTC3827-1
30
0.01μF
0.01μF
CSS2
2.2nF
CSS1
C
2.2nF
C
ITH1
ITH2
C
C
220pF
100P
ITH2A
ITH1A
R
402k
402k
RA1
RA2
R
ITH1
7k
10k
ITH2
RB2
200k
RB1
100k
C1
1nF
C2
1nF
47pF
I
V
SENSE1
SENSE1
PLLLPF
PLLIN/MODE
SGND
RUN1
RUN2
SENSE2
SENSE2
V
I
TRACK/SS2
TH1
TH2
FB1
FB2
U
LTC3827-1
High Efficiency Dual 1.2V/1V Step-Down Converter
+
–
–
+
TRACK/SS1
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-2R2M
L2: CDEP105-2R2M
C
SW1
SW2
BG1
BG2
TG1
TG2
OUT1
V
CC
CC
IN
, C
OUT2
= SANYO 10TPD150M
D1
D2
CB1 0.47μF
0.47μF
C
1μF
CB2
INT2
100k
R2
+
C
4.7μF
INT1
MTOP1
MBOT1
MTOP2
MBOT2
2.2μH
2.2μH
L1
L2
10μF
C
IN1
RSNS1
RSNS2
15mΩ
15mΩ
38271 TA05
10μF
C
IN2
150μF
C
OUT1
C
150μF
OUT2
12V
V
V
V
1.2V
1.0V
OUT1
IN
OUT2
5A
5A
38271fd