User manual

R15 C15
R2
R7
R1
R3
D7
Q1
R8
DIM
COFF
FLTR2
GND
ISNS
FLTR1
ASNS
BLDR
VCC
GND
LM3448
9
10
11
12
13
8
7
6
5
4
V+
C8
V
CC
R22 D8
R14
+
V
LED+
V
LED±
L1
C6
D2
V+
LINE
NEUTRAL
LINE EMI FILTER
D4
C4
C3
COFF
R16
C12
L2
C2
C
OFF
Current Source
C1
L3
C16
R4
C10
C14
R6
R5
D1
C5
NC
SW
SW
NC
SW
SW
14
15
16
3
2
1
R9
COFF
C13
U1
V
CC
www.ti.com Design Guide
Figure 24. Bottom View
13 Design Guide
Figure 25. Evaluation Board Schematic
11
SNOA559B–October 2011–Revised May 2013 AN-2127 LM3448 A19 Edison Retrofit Evaluation Board
Submit Documentation Feedback
Copyright © 2011–2013, Texas Instruments Incorporated