DC2011A - Schematic

5
D
4
3
D
ISN
5.8V - 42V E12
FB1
74279226101
E1
C3
10uF
50V
1210
C15
0.1uF
50V
0402
GND
1
ISP
VIN
VEMI
2
L2
6.8uH
IHLP3232DZER6R8M01
C10
10uF
50V
1210
SYNC
0
1210
C2
10uF
50V
1210
U1
LT8613EUDE
R12
100k
C12
0.1uF
50V
0402
R4
OPT
5
6 VIN
7 VIN
VIN
4
E8
1
E5
3
2
1
SYNC
C
GND
R3
OPT
R1
+ C1
22uF
63V
SUNCON
63CE22BS
EN/UV
E2
R2
OPT
GND
27
JP1
E9
28
21
ICTRL
TR/SS
2
E6
3
E7
E11
C7
1uF
25V
SYNC
R8
60.4k
B
C4
0.1uF
0402
SW
SW
SW
SW
SW
15
16
17
18
19
L1
3.3uH
R5
0.008
IHLP2525EZER3R3M01
ICTRL
INTVCC
TR/SS
RT
ISP
ISN
BIAS
PG
FB
2010
ISP
R6
IMON
8
9 PGND
10 PGND
PGND
C8
0.1uF
*
20
25
C5
OPT
ISN
SEE DEMO MANUAL
VOUT
E3
C6
100uF
10V
1210
0
VOUT
5V / 6A
*
C11
1uF
C
GND
E4
R7
26
0
22
R9
23
R10
24
R11
243k
100k
1Meg
C9
11
12 GND
13 GND
14 GND
GND
29
GND
IMON
EN/UV
BST
10pF
B
PG
E10
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0603.
ALL CAPACITORS ARE 0603.
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
TITLE:
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
SCHEMATIC
42V, 6A MICROPOWER SYNCHRONOUS STEP-DOWN
REGULATOR WITH CURRENT SENSE
SIZE
IC NO.
REV.
LT8613EUDE
N/A
3
DEMO CIRCUIT 2011A
DATE:
SHEET
Thursday, March 26, 2015
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