DC1963A - Schematic

E
D
C
B
A
R27
C16
4700pF
250V
1812
59.0k
1%
1206
D
+VIN
36V to 72V
E1
VIN
L2
6.8µH
XAL6060-682MEC
Coilcraft
C1
+47µF
80V
C2
4.7uF
100V
1210
E2
C3
4.7uF
100V
1210
-VIN
R1
86.6k
1%
1
UVLO
VIN
VIN
R2
1.74k
1%
3
OVLO
5
R5
1.43k
1%
C
INTVCC
DFLT
C10
5.6nF
25V
6
18
20
C9
1µF
100V
0805
RDVIN
GATE
SENSE
C13
1µF
E5
7
SYNC
R13
10k
SOUT
FBX
VC
GND
10
9
21
10
-VOUT
C
C12
180pF
450V
0805
R8
14
0 Ohm
13
VOUT
INTVCC
R9
0 Ohm
R10
0.025
1%
0815
11
R21
200
1%
0805
R22
499
1%
C24
1µF
R15
3.3k
R14
3k
C18
3.3nF
D4
CMHZ5241BTR
11V
C26
100pF
2
ISO1
PS2801C-1-A
3
C22
R16
100k
1
R24
61.9k
1%
R25
10k
150µF
16V
C11
4.7µF
25V
0805
4
R23
100k
+ C8
E4
D3
INTVCC
B
150µF
16V
16
C14
(Opt)
SYNC
+ C7
VBT3080S-E3
Q1
BSC320N20NS3G
SS
C6
47µF
16V
1210
15
R7
40.2k
1%
8
C5
47µF
16V
1210
11
6
INTVCC
+VOUT
12V/6A
D2
VBT3080S-E3
12
5
R6
118k
1%
RT
9
3
E3
22µH
74435572200
Wurth Electronik
8
4
VOUT
L1
7
2
U1
LT8310EFE#PBF
CMMR1U-02TR 2.2nF
0805
T1
PA4078NL
PULSE
1
D
C27
D5
C21
1.2nF
COMP
1
2
R26
20.0k
1%
3
10µF
16V
0805
V+
REF
COLLECTOR
U2
LT1431CS8#PBF
RTOP
RMID
VOUT
B
R17
95.3k
1%
8
4
7
R20
24.9k
1%
GND-F GND-S
6
CUSTOMER NOTICE
A
NOTE: UNLESS OTHERWISE SPECIFIED.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
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.
E
APPROVALS
TECHNOLOGY
PCB DES.
D
C
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
APP ENG.
48Vin to 12V/6A FORWARD CONVERTER
SIZE
C:\PADS PROJECTS\1963A(LT8310FE)\SCH\1963A_REV3.DSN
1. All Resistors and Capacitors 0603.
5
SCALE = NONE
B
IC NO.
REV.
LT8310EFE
DEMO CIRCUIT 1963A
MODIFY DATE: Jul 22, 2014
3
SHEET
A
1
OF 1
A
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