DC1803A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
1
DESCRIPTION
APPROVED
DATE
PRODUCTION
WALKER B.
1-17-11
D
D
EN / UVLO
1
RFB
14
0603
NC
LT3512EMS
SW
1
D5
CMHZ5236B
7
C3
47uF
10V
1210 VOUTE3
VOUT-
C6
1000pF
2000V
1206
U1
7
6
VOUT+
E1
VOUT+
[email protected]
Lp = 175uH
D2
BAV21W
R4 169K
5
8
1
EN/UVLO
R5
31.6K
2
MMSZ5266BTIG
D1 SBR140S3
2
1
2
2
D4
3
1
E5
3
1
E4
C2
1uF
100V
1206
+ C5
10uF
100V
R3
(OPT) 806K
0805
2
GND
4
E2
VIN
VIN
36V - 75V
T1
750311559
16
C
C
11
TC
R6
75K
RREF
6
D3
1
2
R9 20
CMDSH-3
12
GND
9
GND
GND
8
5
10
VC
BIAS
BIAS
E6
BIAS
R7
16.9K
C7
(OPT)
R8
10K
C10
3300pF
C9
4.7uF
16V
0805
B
B
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0402.
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
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
APPROVALS
PCB DES.
TECHNOLOGY
HZ
APP ENG. WALKER B.
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
MONOLITHIC HIGH VOLTAGE ISOLATED FLYBACK CONVERTER
SIZE
N/A
SCALE = NONE
2
IC NO.
LT3512EMS
DEMO CIRCUIT 1803A
DATE: Tuesday, January 25, 2011
REV.
1
SHEET 1
1
OF 1
A
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