DC2205A - Schematic

5
4
3
2
1
REVISION HISTORY
L1
15uH
2
ECO
REV
_
2
DESCRIPTION
APPROVED
PRODUCTION
MOLLY Z.
DATE
3-09-15
3
IHCL-4040DZ-5A
D
1
D
4
C8
2.2uF
D1
MBRA2H100T3G
100V 1210
R6
169k
(450kHz)
20
WDO
SS
RST
RT
WDI
NC
R10
1 Meg
C7
1uF
CWDT
NC
C5
4.7nF
10
FB
R4
100K
1%
C3
47uF
10V
1210
C4
47uF
10V
1210
3
15
16
13
E5
E6
SWEN
B
E9
R11
OPT
E7
WDE
RST
GND
NOTES: UNLESS OTHERWISE SPECIFIED
A
CUSTOMER NOTICE
E8
WDO
RST
WDI
B
WDE
1
2
3
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
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.
5
C
JP1
1. ALL RESISTORS AND CAPACITORS ARE 0603.
* THE MAX LOAD CURRENT IS REDUCED WHEN THE
INPUT VOLTAGE IS LESS THAN 12V. PLEASE SEE
DEMO MANUAL FOR DETAILS.
GND
R2
316K
1%
7
WDE
C9
1uF
E4
19
8
C6
1nF
CPOR
R3
100K
1%
VOUT
5V / 1A *
R5
8.87K
1%
2
FB
GND
6
C11
4.7pF
11
RSTIN
17
5
E2
SWEN
GND
12
C2
2.2uF
100V
1206
21
C1
10uF
63V
NC
GND
+
14
3V - 60V *
NC
C
R1
1 Meg
1%
C10
OPT
1
BIAS
VIN
9
18
4
E1
VIN
R9
0
SW
U1
LT8495EFE
E3
4
3
TECHNOLOGY
LT
MOLLY Z. TITLE: SCHEMATIC
SIZE
IC NO.
DATE:
SEPIC CONVERTER WITH LOW IQ,
POR AND WATCHDOG TIMER
A
REV.
LT8495EFE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
2
DEMO CIRCUIT 2205A
Monday, March 09, 2015
SHEET 1
2
1
OF 1
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