DC1744A - Schematic

REVISION HISTORY
ECO
R17 10k
REV
DESCRIPTION
APPROVED
DATE
2
PRODUCTION
GEORGE Q.
03/01/11
0805
E1
L1 3.3mH
B1
3
L
90 - 270VAC
50/60Hz
C1
33nF
2
HD06
+
-
L3
1
3.3mH
L2 3.3mH
R30
750
1210
4
E2
N
C4
68nF
450V
R24 10k
D7
CMSH2-40L
C2
22nF
630V
1812
D2
R32
10k
LED+
3
R3
100k
1%
BAV20W-7-F
0805
E4
T1
20:5:1
8
+
7
4
C22
1500uF
6.3V
ELEC
1A/4V
R10
100
1210
6
R11
499k
1%
1206
R1
100k
1206
50V
D9
C13
2.2nF
250V
CMZ5937B
C20
2.2nF
400VAC
R2
200k
0805
2
D8
11
WE750813002REV01
VIN
BAV20W-7-F
16
D1
VINSENSE
CMMR1U-06
9
FB
1
CTRL1
R12
3.48k
1%
LEDE5
1
10
R5
100k
1206
DCM
R16
499k
1%
1206
R4
4.99k
1%
C21
4.7pF
C3 10uF
5
12
Q1
SPU04N60S5
600V
R9
14
NC
GATE
20
4
VREF
R18
100k
1%
R19
40.2k
1%
15
SENSE
INTVCC
CTRL2
13
INTVCC
R20
24.9k
1%
3
C8
4.7uF
25V
0805
8
CTRL3
COMP7
COMP+
5
GND
FAULT
FAULT
C7
68nF
NOTES: UNLESS OTHERWISE SPECIFIED,
1. RESISTOR VALUES ARE 5%.
2. CAPACITOR AND RESISTOR CASE SIZE ARE 0603.
17
6
CT
FAULT
R8
0.3
1%
1206
2
C6
0.1uF
16V
U1
LT3799EMSE
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
APPROVALS
PCB DES.
TECHNOLOGY
MI
APP ENG. GEORGE Q.
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
ISOLATED LED DRIVER WITH PFC
SIZE
N/A
SCALE = NONE
IC NO.
REV.
LT3799EMSE
DEMO CIRCUIT 1744A
DATE: Friday, April 08, 2011
SHEET 1
2
OF 1
Similar pages