LTC3711 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC3711 Datasheet PDF : 32 Pages
| |||
LTC3731H
TYPICAL APPLICATIO S
3-Phase Boost Converter. VIN = 10V to 18V with 36V Load Dump, VOUT = 50V at 3A
VIN+
8
1
IN OUT
C18
1µF
LT3010
50V
5
2
SHDN ADJ
R2
1M
C19
1µF
10V
6.5V
GND
R5
4
249k
R1
10Ω
C1
1µF
R3
R4 OPT
0Ω
C3
OPT
VOUT+
R7
665k
R6
8.06k
R10 500Ω
S1+
R11 500Ω
S1–
R12 500Ω
S2+
R13 500Ω
S2–
R14 500Ω
S3+
R15 500Ω
S3–
C4
1000pF
C5
1000pF
C6
1000pF
VIN+
RUN/SS
RUN/SS
C7
0.1µF
R30
OPT
R16
10k
C8
1000pF
1
VCC
2
PLLIN
CLK 36
PGOOD 35
3
34
PLLFLTR BOOST1
4 FCB
TG1 33
5 NC
SW1 32
6 NC
BOOST2 31
7 NC
TG2 30
8
LTC3731H
29
EAIN
SW2
9 SGND
VDR 28
10 SENSE1+
27
BG1
11 SENSE1–
26
PGND
12 SENSE2+
25
BG2
13 SENSE2–
24
BG3
14 SENSE3–
23
SW3
15 SENSE3+
22
TG3
16
21
RUN/SS BOOST3
17
ITH
18
UVADJ
20
PHASMD
19
SGND
R17
121k
R18
845k
VIN+
C53
1000pF
C9
220pF
L1
12µH D4
30BQ060
+ C17
150µF
63V
VIN+ VIN+
CIN4-CIN6
10µF
50V
10V TO 18V
VIN–
WITH 36V
LOAD DUMP
Q1
Si7852DP
S1+
R23
0.007Ω
S1–
C1
4.7µF
L2
12µH D4
30BQ060
Q2
Si7852DP
S2+
R23
0.007Ω
S2–
L3
12µH D4
30BQ060
VOUT+
VOUT+
50V/3A
C16-C18, +
C20-C26
1µF
100V
C20
33µF
100V
VOUT–
3731H TA01
Q3
Si7852DP
6.5V
S3+
R23
0.007Ω
S3–
CIN4-CIN6: 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
3731hf
30
Share Link: 