DC2104A - Schematic

5
4
3
2
1
D4
-
2
D
300uH
3
C12
1uF
C2
400V
0.47uF
ECWF4105JL
400V
ECWF4474JL
C6
R9
47
1206
12
D5
4.7nF
1
+
100V
C10
100uF
450V
R17
1M
1206
+
2
-
400V / 0.375A
4
D3
J2
CMR5H-06
L3
760802122
7
1
+
B1
GBU404
3
1N4005
VREC
6
L4
7447060
D
CMZ5934B
R1
499k
1%
1206
C16
OPT
R6
150k
1%
1206
C7
27pF
D2
R13
R10
2k
C4
C
3
4
2
1
R2
499k
1%
1206
R7
150k
1%
1206
1M
1206
1M
1206
C15
100pF
R12
9.53k
+
L1
15mH
B82734R2232B030
R16
BAV20W
10uF
50V
50YXJ10M 5X11
D1
C
16
0.22uF
275VAC
R46KI322000M2K
B
12
C13
1nF
75k
4
EN_UVLO
VREF
9
14
INTVCC
IPA50R190CE
GND
GND
2
3
R14
13
C8
4.7uF
16V
8
7
GND
U1
GND
LT8312EMS
C9
100pF
50V
100
R15
0.015
1206
B
VREC
R20
R21
R22
OPT
1206
OPT
1206
OPT
1206
R23
R24
R25
OPT
1206
OPT
1206
OPT
1206
L
N
6
J1
1%
15
GND
VC
1
R5
24.9k
1%
0
1N4148W
R11
10
OVP
C3
100pF
Q1
R19
D6
INTVCC
F1
3.15A
2
GATE
SENSE
R4
11.8k
1%
5
1
FB
R18
V1
MOV-10D471K
VINSENSE
10
R8
2.4M 1%
DCM
R3
301k 1%
VIN
C1
11
1N4148W
90 - 265VAC
C5
680nF
R26
10k
1%
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
C14
4.7uF
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
BOUNDARY MODE
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTES: UNLESS OTHERWISE SPECIFIED,
1. ALL CAPACITORS AND RESISTORS ARE 0805.
SIZE
N/A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
DATE:
2
IC NO.
PFC CONTROLLER
REV.
LT8312EMS
DEMO CIRCUIT 2104A
3
SHEET
Tuesday, January 06, 2015
1
1
OF
1
A
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