DC2061A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
INTVCC
-
REV
DESCRIPTION
2
APPROVED
PRODUCTION
DATE
GORAN P.
03-12-2014
R26
100K
E14
PGOOD
INTVCC
R1 75mV FLOAT
OPT
100mV
D
R4
OPT
50mV
EXTVCC
SENSE1D
SENSE1+
E7
VIN+
E13
VIN
TG1
C19
E15
GND
R2
5
EXTVCC
E9
Q2
BSC028N06LS3
4
OPT
0
R14
OPT
1
2
3
R11
C5
R33
150K
1
B
ON
5
23
1
2
3
25
26
24
SW1
TG1
GND
Q6
BSC028N06LS3
4
R34
38.3K
SW2
D5
PDZ6.8B
OPT
GND
L1
10uH
SER2918H-103
RSNS2
0.006
VIN
Q8
BSC028N06LS3
4
R37
OPT
R38
OPT
R23
10
R21
0
VIN
TG2
VBIAS
VOUT
R31
R32
OPT
OPT
B
C3
15nF
R6
475K
R3
VOUT
0
2
R8
12.1K
OVMODE
3
ON
E4
4 X 4.7uF
*
RSNS4
0.006
1
OFF
4 X 33uF
48V / 2 - 5A
R9
15K
INTVCC
OVP
4.7uF
100V
3225
E5
D2
BAS170W
C2
100pF
2
JP2
COUT6
COUT7
COUT8
COUT9
63HVH33M
33uF
63V
OVMODE
C20
1
3
OFF
+
VOUT-
INTVCC
0
OPT
2
C
0
2
R7
R16
COUT5
COUT10
COUT11
COUT12
4 X 4.7uF
BG2
R18
1000pF
RUN
4.7uF
100V
3225
INTVCC
C8
4.7uF
0805
15
1
2
3
RUN
COUT1
COUT2
COUT3
COUT4
17
C9
0.1uF
C10
VOUT+
VOUT
18
1
VIN
E1
VOUT
0.1uF
E12
E21
4
BG1
5
CLKIN
VIN-
C17
19
16
GND
E2
29
5
TG2
3
6
BOOST2
14
4
BG2
SENSE2-
9
BURST MODE
C15
1uF
INTVCC
SS
SW2
PULSE SKIP
RUN
8
13
R35
100K
CCM
7
EXTVCC
OVMODE
1
SS
SGND
SENSE2+
2
6
PGND
12
MODE
JP1
RUN
20
E10
E11
4 X 4.7uF
EXTVCC
C16
0.1uF
PLLIN / MODE
5
SGND
INTVCC
63HVH33M
0
VBIAS
21
CLKOUT
4
E8
PGOOD
PHASMD
3
CLKOUT
+
VIN
6 - 60V
1
2
3
2
VIN
ITH
PHASMD
BG1
22
Q4
BSC028N06LS3
BG1
R15
BOOST1
FREQ
11
E6
INTVCC
5
1
ILIM
28
JP3
C
R10
U1
OPT LTC3784IUFD
R5
30.1k
SENSE1-
4
SENSE1+
3
o
27
INTVCC
VFB
60
D1
BAS170W
1
2
C4
0.1uF
2
o
R13
0
RSNS1
0.006
1000pF
PHASMD
1
10
90
o
CIN2
CIN3
CIN4
CIN5
CIN1
33uF
63V
VIN
INTVCC
120
R17
10
RSNS3
0.006
L2
10uH
SER2918H-103
SW1
OPT
R12
OPT
4.7uF
100V
3225
JP4
C1
OPT
SENSE2+
SENSE2-
CUSTOMER NOTICE
A
NOTES:
*
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
- SEE QSG
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
2. INSTALL SHUNTS AS SHOWN.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
TECHNOLOGY
LT
GORAN P.
TITLE: SCHEMATIC
48V OUTPUT, 6-60V INPUT BOOST CONVERTER
IC NO.
REV.
LTC3784IUFD
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
2
DEMO CIRCUIT 2061A
Wednesday, March 12, 2014
SHEET 1
1
OF 2
A
5
4
3
2
1
D
D
U2
LTC3630AEMSE
VIN
3
C12
0.1uF
100V
1206
R27
OPT
SW
VFB
5
VPRG1
8
C
9
7
6
GND
10
C13
47nF
C
VOUT
VOUT
VOUT
1
D3
OPT- PDS760
4
2
3
1
2
3
B
Q5
OPT
4
BG2
1
2
3
1
2
3
BG1
SW2
5
5
SW1
Q3
OPT
B
D4
OPT- PDS760
Q7
OPT
4
TG2
2
3
Q1
OPT
4
1
2
3
TG1
5
5
1
VOUT
C14
22uF
16V
1206
R30
523K
17
GND
SS
GND
ISET
R29
47K
GND
11
VPRG2
FBO
14
12
220uH
R36
80.6K
16
D6
1
RUN
R28
OPT
OPT
VBIAS
L3
VIN
CUSTOMER NOTICE
A
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
TECHNOLOGY
LT
GORAN P.
TITLE: SCHEMATIC
48V OUTPUT, 6-60V INPUT BOOST CONVERTER
IC NO.
REV.
LTC3784IUFD
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
2
DEMO CIRCUIT 2061A
Wednesday, March 12, 2014
SHEET 2
1
OF 2
A