DC2242A - Schematic

5
4
3
2
1
L1
15uH
IHCL4040DZ-5A
2
4
1
D
3
D
C8
2.2uF
1210
100V
R11
OPT
R6
169K
(450kHz)
20
RT
NC
11
C4
47uF
10V
1210
C5
1uF
10V
0603
C10
OPT
E4
R4
100K
1%
2
3
GND
C
R2
316K
1%
15
7
13
E5
NC
C7
1uF
PG
NC
E6
NC
SS
1
C3
47uF
10V
1210
C6
4.7pF
VOUT
5V / 1A *
PG
19
SWEN
NC
GND
10
FB
17
8
NC
GND
R10
1M
FB
21
6
NC
GND
5
E2
SWEN
16
12
NC
GND
C2
2.2uF
100V
1210
14
C1
10uF
63V
63CE10BS
+
BIAS
VIN
NC
18
9
E1
4
C
VIN
3V - 60V *
E3
R1
1M
1%
R9
0
SW
U1
LT8494EFE
D1
MBRA2H100T3G
B
B
* THE MAX LOAD CURRENT IS REDUCED WHEN THE
INPUT VOLTAGE IS LESS THAN 12V. PLEASE SEE
DEMO MANUAL FOR DETAILS.
A
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
TITLE: SCHEMATIC
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
SIZE
4
A
SEPIC CONVERTER WITH LOW IQ
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
3
IC NO.
N/A
DATE:
REV.
LT8494EFE
DEMO CIRCUIT 2242A
Tuesday, May 05, 2015
2
1
SHEET
1
1
OF
1
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