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LTC3727AIG-1#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P32
L
TC3727A-1
28
3727a1fa
APPLICATIONS INFORMATION
Figure 11. Branch Current Waveforms
R
L1
D1
L1
SW1
R
SENSE1
V
OUT1
C
OUT1
+
V
IN
C
IN
R
IN
+
R
L2
D2
BOLD LINES INDICA
TE
HIGH SWITCHING
CURRENT
. KEEP LINES
TO A MINIMUM LENGTH
L2
SW2
3727 F11
R
SENSE2
V
OUT2
C
OUT2
+
L
TC3727A-1
29
3727a1fa
TYPICAL APPLICATIONS
Figure 12. L
TC3727A-1 12V/4A, 5V/5A Regulator with External Frequency Synchronization
0.1
μF
4.7μF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+
22μF
50V
D1
MBRM
140T3
D2
MBRM
140T3
M1A
M1B
M2A
M2B
1μ
F
10V
0.1
μF
10Ω
0.015Ω
0.015Ω
f
SYNC
3.3V
0.1
μF
10k
105k
1%
33pF
15k
33pF
15k
220pF
220pF
0.01
μF
1000pF
1000pF
1000pF
0.1
μF
20k
1%
280k
1%
20k
1%
RUN/SS1
SENSE1
+
SENSE1
–
V
OSENSE1
PLLFLTR
PLLIN
FCB
I
TH1
SGND
3.3V
OUT
I
TH2
V
OSENSE2
SENSE2
–
SENSE2
+
PGOOD
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
RUN/SS2
LTC3727A-1
L1
8μH
L2
15μH
C
OUT1
47μF
6.3V
C
OUT2
100mF 16V
GND
V
OUT2
12V
4A; 5A PEAK
V
OUT1
5V
5A; 6A PEAK
V
IN
15V TO
28V
3727 F13
+
+
V
IN
: 15V TO 28V
V
OUT
: 5V, 5A/12V, 4A
SWITCHING FREQUENCY = 250kHz
MI, M2: FAIRCHILD FDS6680A
L1: 8μH SUMIDA CDEP134-8R0
L2: 15μH COILTRONICS UP4B-150
27pF
27pF
0.1μF
CMDSH-3
CMDSH-3
PGOOD
V
PULL-UP
(<7V)
C
OUT1
: PANASONIC EEFCDOJ470R
C
OUT2
: SANYO OS-CON 16SVP100M
L
TC3727A-1
30
3727a1fa
TYPICAL APPLICATIONS
Figure 13. L
TC3727A-1 8.5V/3A, 5V/5A Regulator
0.1
μF
4.7μF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+
22μF
50V
D1
MBRM
140T3
D2
MBRM
140T3
M1A
M1B
M2A
M2B
1μ
F
10V
0.1
μF
10Ω
0.015Ω
0.015Ω
3.3V
0.1
μF
105k
1%
33pF
15k
33pF
15k
220pF
220pF
1000pF
1000pF
0.1
μF
20k
1%
192.5k
1%
20k
1%
RUN/SS1
SENSE1
+
SENSE1
–
V
OSENSE1
PLLFLTR
PLLIN
FCB
I
TH1
SGND
3.3V
OUT
I
TH2
V
OSENSE2
SENSE2
–
SENSE2
+
PGOOD
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
RUN/SS2
LTC3727A-1
L1
8μH
L2
8μH
C
OUT1
47μF
6.3V
C
OUT2
100μF 16V
GND
V
OUT2
8.5V
3A; 4A PEAK
V
OUT1
5V
5A; 6A PEAK
V
IN
10V TO 15V
3727 F13
+
+
V
IN
: 10V TO 15V
V
OUT
: 5V, 5A/8.5V, 3A
SWITCHING FREQUENCY = 250kHz
MI, M2: FAIRCHILD FDS6680A
L1, L2: 8μH SUMIDA CDEP134-8R0
27pF
27pF
0.1μF
CMDSH-3
CMDSH-3
PGOOD
V
PULL-UP
(<7V)
C
OUT1
: PANASONIC EEFCDOJ470R
C
OUT2
: SANYO OS-CON 16SVP100M
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P32
LTC3727AIG-1#TRPBF
Mfr. #:
Buy LTC3727AIG-1#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Dual, 2-Phase Synchronous Controller w/ up to 14V Output
Lifecycle:
New from this manufacturer.
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