OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC3731HUH#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34
LTC3731H
28
3731Hfb
Typical applicaTions
Figure 14. 3-Phase 65A Power Supply
0.01µF
1µF
10k
V
CC
SYNC IN
300kHz
300pF
1000pF
S1
+
S1
–
S2
+
S2
–
S3
–
S3
+
V
CC
PLLIN
PLLFLTR
FCB
NC
NC
NC
LTC3731HG
EAIN
SGND
SENSE1
+
SENSE1
–
SENSE2
+
SENSE2
–
SENSE3
–
SENSE3
+
RUN/SS
I
TH
I
TH
UVADJ
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
V
DR
BG1
PGND
BG2
BG3
SW3
TG3
BOOST3
PHASMD
SGND
1000pF
OPTIONAL FILTER FOR
SYNCHRONIZATION
100pF
6.04k
9.09k
10Ω
V5
5V TO 7V
V
IN
M1
M2 D1
S1
+
S1
–
L1
0.002Ω
0.01µF
2.2k
3.3nF
330pF
1000pF
1µF
NC
3731H F14
V
IN
: 3.3V TO 20V
V
OUT
: 1.5V AT 65A
SWITCHING FREQUENCY: 300kHz
PGOOD
47k
1Ω
1000pF
10µF
0.1µF
V5
0.1µF
0.1µF
V5
V5
V
IN
M3
M4 D2
S2
+
S2
–
L2
0.002Ω
V
IN
M5
M6 D3
S3
+
S3
–
L3
0.002Ω
10µF
6.3V
s3
C
OUT
V
IN
3.3V TO 20V
V
OUT
1.5V AT 65A
+
10µF
25V
s5
C
IN
68µF
25V
+
C
IN
: SANYO OS-CON 25SP68M
C
OUT
: 270µF/2V s8 PANASONIC SP EEUE0D271R
OR 470µF/2.5V s6 SANYO POSCAP 2R5 TPD470M
D1 TO D3: DIODES INC. B340A
L1 TO L3: 0.8µH SUMIDA CEP125-0R8
M1, M3, M5: IRF7821W s2, Si7860DP
OR HAT2168 s2
M2, M4, M6: IRF7832 s2, Si7892DP s2
OR HAT2165 s2
V
IN
18k
12k
LTC3731H
29
3731Hfb
Typical applicaTions
2.5V/100A Power Supply
3.3k
V
CC
220pF
EAIN
1000pF
S1
+
S1
–
S2
+
S2
–
S3
–
S3
+
V
CC
PLLIN
PLLFLTR
FCB
NC
NC
NC
LTC3731HG
EAIN
SGND
SENSE1
+
SENSE1
–
SENSE2
+
SENSE2
–
SENSE3
–
SENSE3
+
RUN/SS
I
TH
UVADJ
CLKOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
V
DR
BG1
PGND
BG2
BG3
SW3
TG3
BOOST3
PHASMD
SGND2
4.64k
14.7k
330pF
8.2k
1k
V
IN
M1
X2
M2,3
D1
S1
+
S1
–
L1
0.002Ω
EAIN
RUN/SS
RUN/SS
0.1µF
1000pF
CLK1
PGOOD
BOOST1
10k
10Ω
1Ω
1000pF
0.1µF
0.1µF
0.1µF
BOOST2
BOOST3
10µF
Cer.
V
IN
M4
X2
M5,6
D2
S2
+
S2
–
L2
0.002Ω
V
IN
M7
X2
M8,9
D3
S3
+
S3
–
L3
0.002Ω
C
OUT
V
IN
V
OUT
V
CC
V
CC
SYNC IN
V
CC
V5
+
C
IN
+
3731H F15
NOTES:
V5: 5V TO 7V
V
IN
: 10V TO 14V; V
OUT
: 2.5V/100A
SWITCHING FREQUENCY: 500kHz (V5 = 5V)
M1, M4, M7, M10, M13, M16:
SILICONIX Si7390DP OR HAT2168
M2, M3, M5, M6, M8, M9, M11, M12, M14, M15,
M17, M18: SILICONIX Si7356DP OR HAT2165
D1 TO D6: B320A
L1 TO L6: TOKO FDH1040: 0.56µH
C
IN
: 10µF/16V CERAMIC s10 + 270µF/16V SANYO Os-Con
C
OUT
: 100µF/6.3V/X5R s10 + 330µF/4V s8
V
IN
357k
121k
10Ωs6
10Ωs6
1000pF
68pF
UVADJ
100pF
1µF
10µF
10V
1µF
Cer.
4.7µF
+
+
0.01µF
10k
V
CC
1000pF
S4
+
S4
–
S5
+
S5
–
S6
–
S6
+
V
CC
PLLIN
PLLFLTR
FCB
NC
NC
NC
LTC3731HG
EAIN
SGND
SENSE4
+
SENSE4
–
SENSE5
+
SENSE5
–
SENSE6
–
SENSE6
+
RUN/SS
I
TH
I
TH
UVADJ
CLKOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PGOOD
BOOST4
TG4
SW4
BOOST5
TG5
SW5
V
DR
BG4
PGND
BG5
BG6
SW6
TG6
BOOST6
PHASMD
SGND2
1000pF
1000pF
V
IN
M10
X2
M11,12
D4
S4
+
S4
–
L4
0.002Ω
100pF
1.2k
2700pF
270pF
10pF
1000pF
CLKOUT
CLK1
UVADJ
PGOOD
BOOST4
10Ω
1000pF
0.1µF
0.1µF
0.1µF
BOOST5
BOOST6
V
IN
M13
X2
M14,15
D5
S5
+
S5
–
L5
0.002Ω
V
IN
M16
X2
M17,18
D6
S6
+
S6
–
L6
0.002Ω
V5
1µF
Cer.
4.7µF
+
LTC3731H
30
3731Hfb
3-Phase Boost Converter. V
IN
= 10V to 18V with 36V Load Dump, V
OUT
= 50V at 3A
Typical applicaTions
V
CC
C1
1µF
6.5V
R4
0Ω
R3
OPT
PLLIN
PLLFLTR
FCB
NC
NC
NC
LTC3731HG
EAIN
SGND
SENSE1
+
SENSE1
–
SENSE2
+
SENSE2
–
SENSE3
–
SENSE3
+
RUN/SS
I
TH
UVADJ
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
V
DR
BG1
PGND
BG2
BG3
SW3
TG3
BOOST3
PHASMD
SGND
+
C3
OPT
R7
665k
C4
1000pF
V
OUT
+
R10 500Ω
R11 500Ω
R6
8.06k
R1
10Ω
R2
1M
1
2
8
5
4
S1
+
S1
–
C5
1000pF
R12 500Ω
R13 500Ω
S2
+
S2
–
C6
1000pF
C7
0.1µF
C53
1000pF
R14 500Ω
R15 500Ω
RUN/SS
V
IN
+
V
IN
+
S3
+
S3
–
RUN/SS
R16
10k
C8
1000pF
C9
220pF
R17
121k
R18
845k
R30
OPT
IS SIGNAL GROUND IS POWER GROUND
KEEP SEPARATE AND REFER TO PCB LAYOUT CHECKLIST
FOR ROUTING INFORMATION
C1
4.7µF
Q3
Si7852DP
L3
12µH
C
IN4
-C
IN6
: 10µF, 50V X5R TDK C5750X5R1H106M
C16-C26: 1µF, 100V X7R TAIYO YUDEN HMK432BJ105KM
C17: 150µF, 63V SANYO ALUMINUM ELECTROLYTIC 63MV150GX
C20: 33µF, 100V SANYO ALUMINUM ELECTROLYTIC 100CV33FS
L1-L3: 12µH SUMIDA CDRH127/LD-120
R23
0.007Ω
6.5V S3
+
3731H TA01
S3
–
Q2
Si7852DP
L2
12µH
R23
0.007Ω
S2
+
S2
–
Q1
Si7852DP
L1
12µH
D4
30BQ060
D4
30BQ060
D4
30BQ060
V
IN
+
V
IN
–
V
OUT
+
50V/3A
V
OUT
–
V
IN
+
C
IN4
-C
IN6
10µF
50V
C16-C18,
C20-C26
1µF
100V
C17
150µF
63V
+
C20
33µF
100V
10V TO 18V
WITH 36V
LOAD DUMP
R23
0.007Ω
S1
+
S1
–
C19
1µF
10V
C18
1µF
50V
R5
249k
IN
LT3010
SHDN
OUTV
IN
+
ADJ
GND
V
OUT
+
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34

LTC3731HUH#TRPBF

Mfr. #:
Buy LTC3731HUH#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 3-Phase, 600kHz, Sync Buck Sw Reg Cntr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet