Texas Instruments LM3448 Evaluation Board LM3448-EDSNEV/NOPB LM3448-EDSNEV/NOPB 데이터 시트
제품 코드
LM3448-EDSNEV/NOPB
I
COLL
V+
+
+
9
10
11
12
13
4
5
6
7
8
R3
BLDR
ASNS
ISNS
DIM
COFF
GND
VCC
FLTR1
GND
FLTR2
LM3448
C15
C7
C8
V+
D2
Q1
R16
D1
C12
C14
R2
R15
V
BUCK
R21
R10
Linear R
HOLD
insertion
circuit
V
VF
BLDR
Valley-fill triac holding
current circuit
Triac edge
detect
Reverse phase holding
current
Forward phase
holding current
holding current
C6
D5
C10
D6
D7
R12
R13
L2
D8
L3
C13
Q5
R14
R4
R22
C16
R19
Q6
R17
R18
Q4
C11
R11
C3
R6
R7
Q2
R5
C2
D4A R8
C9
R9
Q3
C17
VLED-
VLED+
Q8
R23
D4B
DIM
V
CC
V
CC
V
CC
BLDR
DIM
V
CC
BLDR
V+
V
VF
F1
RT1
BR1
D3
U1
14
15
16 SW
SW
NC
1
2
3
SW
SW
NC
BLDR
COFF
COFF
FLTR1
LINE
NEUTRAL
EMI FILTER
SNOSB51C – SEPTEMBER 2011 – REVISED MAY 2013
Figure 39. DESIGN #1 Circuit
Copyright © 2011–2013, Texas Instruments Incorporated
33
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