ltc3827ig-1 Linear Technology Corporation, ltc3827ig-1 Datasheet - Page 29

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

TYPICAL APPLICATIO
0.01μF
0.01μF
470pF
560pF
C
C
CSS2
CSS1
10k
ITH1
ITH2
C
100pF
C
100P
ITH1A
ITH2A
10nF
R
69.8k
39.2k
RA1
RA2
R
10k
ITH1
35k
ITH2
RB2
353k
RB1
365k
C1
1nF
C2
1nF
39pF
22pF
High Efficiency Synchronizable Dual 5V/8V Step-Down Converter
I
V
SENSE1
SENSE1
PLLLPF
PLLIN/MODE
SGND
RUN1
RUN2
SENSE2
SENSE2
V
I
TRACK/SS2
TH1
TH2
FB1
FB2
U
LTC3827-1
+
–
–
+
TRACK/SS1
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
SW1
SW2
BG1
BG2
TG1
TG2
MTOP1, MTOP2, MBOT1, MBOT2: Si7848DP
L1: CDEP105-3R2M
L2: CDEP105-7R2M
C
V
CC
CC
IN
OUT1
, C
OUT2
= SANYO 10TPD150M
D1
D2
CB1 0.47μF
0.47μF
C
1μF
CB2
INT2
100k
R2
MBOT2
+
4.7μF
C
INT1
MTOP1
MBOT1
MTOP2
D4
3.3μH
7.2μH
L1
L2
10μF
C
IN1
D3
RSNS1
RSNS2
12mΩ
20mΩ
38271 TA04
LTC3827-1
10μF
C
IN2
C
150μF
OUT1
C
150μF
OUT2
29
12V
V
V
V
IN
OUT1
OUT2
5V
5A
8V
2A
38271fd