DC2067A - Schematic

4
3
R4
C1
OPT
1210
OPT
2220
RL3720W
4
E3
PGND
R5
0
R9
0
CO6
OPT
1210
R10
OPT
CO4
100uF
6.3V
1210
CO3
100uF
6.3V
1210
CO2
100uF
6.3V
1210
E6
CO1
270uF
10V
E7
PGND
14
AGND
JP1
INTVCC
2
MODE
CCM
3
6
7
ISN
ISP
BIAS
9
FLAG
INTVCC
VC
C17
470nF
4
FLAG
VC
R21
118k
R16
C11
2.2uF
0805
INTVEE
2
R14
OPT
C8
OPT
C12
OPT
1206
INTVCC
0
INTVCC
E12
0
R19
100K
IMON
IMON
E13
FLAG
E14
B
C15
4.7nF
IMON
1
DCM
E10
8
IMON
C14
2.2uF
0805
EN/FBIN
GND
B
FBX
R18
GND
R20
10K
R13
60.4k
1
5
16
12
E9
10
INTVEE
21
EN/FBIN
VIN
20
C10
OPT C13
4.7uF R17
12.7K
50V
1206
C9
OPT
13
BIAS
RT
VIN
FBX
CSN
18
0
CSP
C
0
ISN
RT
R15
BG
15
0
11
U1
LT8710EFE
C6
OPT
C7
OPT
ISP
0
E8
R12
C5
0.47uF
0805
BG
TG
R6
NG
MODE
4
R7
R1
0.002
RL3720W
CO5
OPT
1210
R11
OPT
1
2
3
1
2
3
4 NG
VOUT
-5V , 6A
VOUT
RL3720W
8
7
6
5
C
R2 OPT
MN1
FDMS86500L
8
7
6
5
MN2
OPT
E5
R8
499
PG
R24
OPT
1210
E4
EN/FBIN
3
MP1
FDD4141
C19
OPT
0805
1
CIN6
OPT
1210
R3 0.006
2
CIN5
OPT
1210
SS
CIN4
10uF
50V
1210
OPT
3
CIN3
10uF
50V
1210
C20
1210
D
D2
PMEG3005EJ
SS
CIN2
10uF
50V
1210
10uF
50V
4
MP2
OPT
SYNC
330uF
35V
3
19
+ CIN1
C4
1210
1
74485540220
Q2-G
VIN
E2
4
50V
PG 1
E1
10uF
50V
10uF
17
VIN
4.5V - 28V
C3
1210
L1B
2.2uH
74485540220
2
3
D
1
D1
PMEG4030EP
1
C2
1210
2
L1A
2.2uH
+
5
C18
47nF
R22
12.1K
C16
100pF
SYNC
SYNC
E11
R23
100K
NOTE: UNLESS OTHERWISE SPECIFIED
A
CUSTOMER NOTICE
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.
1. ALL RESISTORS ARE 0603.
ALL SMD CAPACITORS ARE 0603.
TECHNOLOGY
TITLE: SCHEMATIC
SYNCHRONOUS INVERTING
DC/DC CONVERTER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
N/A
DATE:
IC NO.
REV.
LT8710EFE
DC2067A
4
SHEET
Thursday, February 20, 2014
1
1
OF
1
A
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