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LM3445 Datasheet(PDF) 10 Page - Texas Instruments

Part # LM3445
Description  LM3445 TRIAC Dimmable Offline LED Driver
PDF  46 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM3445 Datasheet(HTML) 10 Page - Texas Instruments

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background image
ICOLL
V+
BR1
VAC
TRIAC
DIMMER
+
+
1
2
3
4
5
6
7
8
9
10
-
VLED
GND
VCC
FLTR2
ASNS
FLTR1
ISNS
GATE
BLDR
COFF
DIM
LM3445MM
VLED-
D3
C7
C9
C10
D4
D8
D9
R2
D1
Q1
C5
R5
C12
D2
D10
Q2
L2
Q3
R3
R4
C11
C4
C3
R1
U1
VBUCK
LM3445
SNVS570M – JANUARY 2009 – REVISED NOVEMBER 2015
www.ti.com
Feature Description (continued)
7.3.2 Theory of Operation
Refer to Figure 11 which shows the LM3445 along with basic external circuitry.
Figure 11. LM3445 Schematic
10
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Copyright © 2009–2015, Texas Instruments Incorporated
Product Folder Links: LM3445



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