DC1825A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
2
DESCRIPTION
PRODUCTION
APPROVED
DATE
ZHONGMING Y. 1-9-12
D
D
E1
VIN
C
E3
1
R2
53.6K
1%
GND
C1
OPT
0805
U1
LT8300ES5
2
3
EN/UV
VIN
5
R4
OPT
SW
4
E2
4
VOUT-
2
GND
RFB
T1
3
2
C2
2.2uF
100V
1210
R1
806K
1%
6
1
750312366
SW
R3 365K
C4
D1
DFLS130L
2
1
C3
100uF
6.3V
1210
D2
5.6V
BZT52C5V6T-7
*
+5V
SEE QSG
C
1
VIN
22V - 75V
E4
VOUT+
+5V / 0.25A
3.3nF
250
1210
B
B
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0603.
CUSTOMER NOTICE
APPROVALS
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 PCB DES.
HZ
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. ZHONGMING Y. TITLE: SCHEMATIC
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
A
100V MICROPOWER ISOLATED FLYBACK CONVERTER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
IC NO.
N/A
SCALE = NONE
DATE:
REV.
LT8300ES5
2
DEMO CIRCUIT 1825A
Wednesday, July 11, 2012
2
SHEET 1
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