DC1734A - Schematic

B
A
REVISION HISTORY
ECO
REV
3
VIN
4.5V - 10V
E1
+
C15
OPT
Q2
FDMC510P
8
7
6
5
3
2
1
C1
10uF
16V
1206
4.7uH
IHLP2525CZER-4R7
DFLS220L
3
2
1
R16
C2
10uF
16V
1206
C13
OPT.
1206
R1
6.04K
SHDN1
E3
VIN1
GATE1
22
VIN
R6
3
PG1
SS1
100K
8-22-11
**
12V @ 900mA
OPT
C16
22uF
16V
1206
C3
OPT
0603
2
4
C4
R5
8.06K
5
20
C5
C6
2.2nF
100pF
0.1uF
JP1
19
SYNC
SYNC1
RT1
E4
R9
23
100K
18
14
CLKOUT2
CLKOUT1
GND
SYNC2
RT2
CLKOUT2
SS2
E6
VIN
VIN
10
15
E7
VC2
GATE2
SHDN2
VIN2
C11
4.7uF
16V
1206
1
L2
10uH
IHLP2525CZER-10R
** MAXIMUM COMBINED TWO CHANNEL
FB2
SWB2
11
JP2
R8
80.6K
25
GND
E5
16
R10
80.6K
17
C7
8
9
C12
L3
2.2uF
25V
0805
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.
NOTE: UNLESS OTHERWISE SPECIFIED
16.9K
2.2nF
100pF
C14
OPT
0603
GATE2
R15
143K
1%
0603
VOUT2
E8
APPROVALS
PCB DES.
APP ENG.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
TECHNOLOGY
JW
MEHDI A.
**
1
-12V @ 625mA
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
DUAL 3A BOOST/INVERTING DC/DC CONVERTER
SIZE
ALL RESISTORS ARE 0402.
ALL CAPACITORS ARE 0402.
B
C9
22uF
16V
1206
C10
10uH
D3
IHLP2020BZER-10R
DFLS130L
CUSTOMER NOTICE
OUTPUT POWER IS 15W, SEE QUICK
START GUIDE.
C8
R12
7
13
R14
OPT
0805
SWA2
VIN
12
3
PG2
100K
SHDN2
INVERTING
1
ON
2
21
0.1uF
R13
R11
232K
0805
OFF
DATE
VIN
6
SHDN1
VC1
R7
OPT
0805
3
OFF
FB1
1
2
GATE1
R3
130K
1%
0603
24
SWA1
2
C17
4.7uF
16V
1206
BOOST
VOUT1
D2
SWB1
GATE1
R4
232K
0805
1
U1
LT8582EDKD
E9
ON
8
7
6
5
E2
0
1206
GND
2
MEHDI A.
4
R2
OPT
D1
L1
APPROVED
PRODUCTION
4
VIN
Q1
FDMC510P
DESCRIPTION
IC NO.
N/A
SCALE = NONE
DATE:
REV.
LT8582EDKD
DEMO CIRCUIT 1734A
3
SHEET
A
1
OF
1
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