Texas Instruments LM3445 Evaluation Board LM3445-120VFLBK/NOPB LM3445-120VFLBK/NOPB Benutzerhandbuch
Produktcode
LM3445-120VFLBK/NOPB
LED +
LED -
LINE
NEUTRAL
J5
J6
TP3
TP2
TP4
TP5
Demo Board Wiring Overview
8
Demo Board Wiring Overview
Figure 5. Wiring Connection Diagram
Table 2. Wiring Connection
Test
Name
I/O
Description
Point
TP3
LED +
Output
LED Constant Current Supply
Supplies voltage and constant-current to anode of LED string.
Supplies voltage and constant-current to anode of LED string.
TP2
LED -
Output
LED Return Connection (not GND)
Connects to cathode of LED string. Do NOT connect to GND.
Connects to cathode of LED string. Do NOT connect to GND.
TP4
LINE
Input
AC Line Voltage
Connects directly to AC line or output of TRIAC dimmer of a 120VAC system.
Connects directly to AC line or output of TRIAC dimmer of a 120VAC system.
TP5
NEUTRAL
Input
AC Neutral
Connects directly to AC neutral of a 120VAC system.
Connects directly to AC neutral of a 120VAC system.
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SNVA429C – August 2010 – Revised May 2013
AN-2034 LM3445 -120VAC, 8W Isolated Flyback LED Driver
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