Datasheet

LTC3773
29
3773fb
Figure 11. 3-Phase, Dual Output with Coincident Output Tracking Function
TRACK1
V
FB1
I
TH1
SGND
I
TH2
I
TH3
V
FB2
V
FB3
TRACK2
TRACK3
SENSE2
–
SENSE2
+
BOOST1
TG1
SW1
SW2
TG2
BOOST2
BOOST3
TG3
SW3
BG1
BG2
V
DR
PGND
SDB3 SDB2 SDB1
SENSE1
–
SENSE1
+
PHASEMD
PGOOD
SENSE3
–
SENSE3
+
V
CC
PLLFLTR PLLIN/FC CLKOUT BG3
1
2
3
4
5
6
7
8
9
10
11
12
31
30
29
28
27
26
25
24
23
22
21
20
0.01μF
1500pF
1500pF
V
OUT1
V
OUT2
15k
47.5k
6.8k
10k
20k
10k
10Ω
10Ω
10k
10k
20k
39 38 37 36 35 34 33 32
13 14 15 16 17 18 19
PGOOD
POWER DOWN V
OUT1
POWER DOWN V
OUT2
0.1μF
1nF
0.1μF
47μF
47μF
x2
0.1μF
0.1μF
CMDSH-3
CMDSH-3
CMDSH-3
HAT2168H
HAT2168H
HAT2165H
HAT2165H
HAT2168H
HAT2165H
V
IN
V
IN
4.5V TO 22V
V
5V
4.5V TO 6V
V
IN
B340B
B340B
B340B
L1
1μH
L2
0.6μH
C
IN
56μF
25V
x5
L3
0.6μH
+
+
10μF
+
C
OUT1
330μF
4V
x2
10μF
25V
x6
C
OUT2
330μF
2.5V
x4
+
LTC3773
3mΩ
3mΩ
3mΩ
CLKOUT
CLKIN
CONTINUOUS
MODE FOR
TRACKING
L1: PULSE PG0006.102
L2, L3: PULSE PG0006.601
C
OUT1
: SANYO POSCAP 4TPD330M
C
OUT2
: SANYO POSCAP 2R5TPE330M9
10Ω
10Ω
10Ω
10Ω
1nF
15k
1μF10μF
+
V
OUT1
2.5V/15A
V
OUT2
1.8V/30A
3773 F11
2Ω
330pF
100pF
1nF
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