Texas Instruments LM3445 Evaluation Boards LM3445-EDSNEV/NOPB LM3445-EDSNEV/NOPB Datenbogen
Produktcode
LM3445-EDSNEV/NOPB
L2
R3
C11
Q2
Q3
D3
I
COLL
V+
BR1
TRIAC
DIMMER
+
+
1
2
3
4
5
6
7
8
9
10
V
LED
R4
GND
VCC
FLTR2
ASNS
FLTR1
ISNS
GATE
BLDR
COFF
DIM
LM3445MM
V
LED-
D10
C7
C9
D4
D8
V+
C1
C2
F1
D1
D2
D9
R2
Q1
R5
C5
R8
R6
R7
C12
U1
C4
C3
R1
R12
R13
C14
C13
Q5
D11
C10
RT1
R10
R11
R14
VAC
J1
V
BUCK
Master-Slave Circuitry
L1
C15
L3
L4
TP3
TP10
TP11
TP12
D12
TP14
TP15
TP16
TP5
LED-
LED-
L5
TP4
LED+
LED+
TP7-9
TP18
TP19
TP17
TP6
SNVS570L – JANUARY 2009 – REVISED MAY 2013
LM3445 DESIGN EXAMPLE 1
INPUT = 90V
AC
TO 135V
AC
, V
LED
= 7 x HB LED STRING APPLICATION @ 400 MA
30
Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: